L82 cam specs Distributor - I know this topic is probably beat to death, but I need a few specifics that I don't have for a Davis Unified Distributor I am going to order. Available Special 5. Not questioning your knowledge but are L82's really equipped with 222dur @. Orders may take longer than usual to process due to manufacturers having issues receiving and shipping parts. 050 inch tappet lift with 0. Now, from memory, the things that made the L82 different from the L48 in the mid to late 70s were the L82 had a 4-bolt block, steel crank, "pink" rods (which were supposedly shot-peened and stronger than the std rods), forged pistons, a The 350/350HP slightly different than the L79 cam, 224@. One C3 Tech/Performance - 1976 L82 Specs - Just wondered if anybody could let me know specs for the L82. Car Specialist Engine Mods - Hop up for L82 engine - My 1974 350 L82 does not make enough power. Email Report Richard Martin Dedicated Enthusiast Corvettes owned: '74 '77 '78 L82 Silver Anniversary, 2002 LS1, 2007 C6 Love this one! Now have 2014 C7 Don't have a nervous come together! Two years later the L82 saw its output increase again to 220 horsepower. Mike I did not get a cam card with the build sheet so I bolted a degree wheel to the balancer and gave the crank a spin. 390"/. 050 and only 0. I have a co worker who wants me to build up his L82 and wanted to get an idea on what he already had. 500/. The advertised duration is 292/288 that is checked at 0. Letter Cams) have been around for decades and are often the go-to choice for Mustang owners looking for more performance from their 5. Check Details A closer look at the chevy lt engine. Chevrolet Performance / GM Camshaft #12672469. 5:1 L82 cam specsFord specs cam camshaft stock 0l engine 1995 mustang specifications 302 f150 351w came oem forums 1985 chart gt 90s Breaking in the new comp cam jeep 4. This was put in my slightly built 75, small block. compression is 9. 3L Gen V LT-Based Engines L83 L8B. And it's the same cam Chev/GMPP continues to install (a poor choice) in its 350/290 which has all of 8:1 scr LOW compression. With the Turbo 400 and 3:36s my RPMs are 3200-3400 at hwy cruise with stock aluminum wheels. OEM #3863151, 350 HP, L-79, 327 WG-996 (Cam All of the original GM parts are still in my possession, so I can return the car to original specifications with few problems. 0L/302 roller cam engines with 1. V8 engine. Through the latter half of the 1980s, the L82 small-block served as the Corvette’s “high-output” engine, though it only produced just north of 200 horsepower. This is similar to the 151, but has more lift, still a mild factory cam 3896962 L82 late 70's vette HYDRAULIC Lift . It has a displacement of 5. 460 Per ISKY it was 9 hp stronger than the GM 222/222 factory cam in their testingFlat tappet ISKY Mega Cam 270 Specs 221/221 . 460 lifts, 222/222 duration, 114 lsa . 494" 114LSA -Genuine GM Non-DOD L8T engine camshaft. k. The 68 cam shown may actually be a non-Corvette item. Chevrolet Corvette C3 Coupe 1978 350 V8 L82 Specs (1977 - 1978) - Technical Specifications for Years 1977, 1978. Tweeter: 1” titanium dome tweeter Mid/Bass Drivers: 8” pure pulp cone woofer. Features a higher lift cam than the standard 350 V8, special heads with larger valves, impact-extruded pistons, a forged crank running in 4-bolt main bearing caps, plus finned aluminum rocker arm covers. Probably the FI cam but I'm not certain of it's original engine but probably the 283-283 FI or the 283-270 HP engines. A new automatic transmission is available for the L82 350 Cu. the L79 cam is advanced by 4 degrees compared to the split duration of the L82 cam. Reason for edit: No reason given. 0l chevy / gm ls crate engine for sale (remanufactured)Engine 3l gm vortec v8 l96 l20 block specs cylinder lmf 8l liter engines cam performance 2009 power L82 5. Chevrolet Corvette C3 Coupe 1978 350 V8 L82 Auto Body, Model and Production details. From the specs I have seen on the internet 12* BTDC is timing for the L82 and the L48 should be 6* BTDC. L48 cam specs. 3L powered truck or SUV. I spent a little time compiling a few factory cam specs for reference to see how they stack up. I'm looking to verify specs i have for piston ring groove widths and piston ring widths. 5 LS/LT, Vortec/EcoTec3 Engines A new Four-Speed manual transmission is standard. C3 Tech/Performance - L82 head specs? - What exactly are the specs of an L82 head? I've tried to research with no luck. M. 450"/. 050 lift. Petrol. 914 in. 050" lift 110* lobe centers I have pretty much the same setup on my '74 L82. I had a tired 350 with Vortec heads and a 222 at . However, the biggest difference is that the L79 cam is 4 degrees advanced from the 0 advance on the L46/L82 cam (p/n 6962) Although the latter cam has . Connectivity: Wired: Wired: Inputs: Single Wire: Single Wire: Outputs-Magnetic Shielding: No: No x2 on the Isky 214-214 . If you need to know if a part is in stock, please call prior to placing your order. Specs. I want a performance step up from stock (which I don't know what it is). Forum searches tell me the L82 cam is pretty good . 5 LS/LT, Vortec/EcoTec3 Engines C3 Tech/Performance - Need Specific L82 Cam Specs and Valve Lift for D. 99. Mounting bolts included. There was some pink paint on the rear of the cam and some casting numbers but no casting part numbers to go by. 450" 114 LCA Crane 274HO6 specs are: 218/218 @ 0. And 11:1 is the compression for an L46 and they do have 2. I'm happy with mine. All options are listed, including prices and quantities shipped. Become a premium member for just $10 your first year - deal ends December 31. I need the following: Cam Duration Advertised Cam Duration at C3 Tech/Performance - specs on '79 L48/82. Yes, I'm sure that either of those comp cams would be fine for the orig. 450 lift 108 lsa cam similar to the old comp 268HE except on the tighter 108 lsa. 02 heads, stock intake and stock 2. Theres some cheap stuff out there that should be This is the cam I have in my 327 (331 actual) 10. 454" 14LSA look a bit puny : When I 1st started looking at these SBC cams I was surprised to see both in/ex having the same durations & lifts for a lot of cams. Texas Speed L83 5. The Chevy L82 engine is a V8 engine that was first introduced in 1973. 7 Liter V8: This beauty features a higher lift cam than the standard Corvette V8, has special heads with larger valves, impact-extruded pistons, a forged steel crankshaft, with each main beating cap secured by four bolts, plus finned, aluminum rocker arm covers. Check out more of the 1974 Chevy Corvette L82 at Vette Magazine. S. reliable valvetrain specs for 1979 L82 which had 8. 450/0. Includes: GM Flat Hydraulic Lifter Set. I think that the idea was, the "newer" 6962 cam had better low lift flow because of lobe separation or ramp angle, in bigger cubed engines. Close-ratio 4-Speed manual transmission. 447"/. Intake duration @ . Just kinda flat overall. The L82 cam has MORE duration than the L79 350HP 327 cam. We are doing everything within our control to ship orders as Stock Chevy 350 L82 cam: 222/222/. 006" lift 218* duration @ . Take the 350/350 corvette and L82 cam that is very close to the L79 cam specs but IMO and seat of the pants that cam it just never did anything for me. Two years later the L82 saw its output increase again to 220 horsepower. And just last week there was another poster who got tore up and down for asking if that 2102 was a good choice funny how much the opinions vary I believe the 268 cams are the most Regardless your 300hp crate engine is very similar to the L82 engine, uses the came 962 cam and probly faster than most L82s too. The close ratios Does anyone know the cam specs on a stock sbc 400? Edited by Impala_ss on 09-06-09 10:59 AM. 8 cu-in 5733 cm 3. 3L Oil Drain Plug Torque Specs : 18 ft-lbs Chevy Silverado 1500 5. It looks good, but I will replace it since it is over 30 and I have it out. What are the original cam specs for the '78 L82? In today's technowlogy, what is a current cam that meets this original cams performance? Without going crazy what cam would work best using the original cast irone (rebuilt) heads, intake and carb? Would replacing the C3 Tech/Performance - L-82 Cam Specs - Just curious, what's the cam specs on a stock '78 L-82? Or better yet what cam replacement would be a good choice. 65 (You save $9. But for the price it is a good one. 6 ratio rockers. 465 LSA=108 Intake CL = 110 Intake Open 15 BTC, Open @. Back to Subforum. 050"; . 55:1 Close Ratio Four Speed M21 Transmission L82 Engine Can someone provide me with the original camshaft specs of a 1979 Corvette L82 version? Thanks. The L-82 cam went in the dumpster where it belongs. 3 6. Manufactured to the strictest tolerances, each 6. 02 valves and a lil bit more cam this was a sad time for SBC's IMO,,, L82 cam specs ,, looks pretty close to the L79 hyd cam See More Specifications | Check the Fit. Is it a L48? The L79 cam is within 2 degrees of duration of the L46/L82 cams at the same 114 degree lobe separation angle. 2L. Applications Include (Gasoline V8 Models Only): CADILLAC CTS 2016-2019; CADILLAC ESCALADE 2015-2023; CHEVROLET CAMARO 2016-2023 Cam Housing Bore Dia. L82 350 Cubic Inch) 4. Specs datasheet with technical data and performance data plus an analysis of the direct market competition of Chevrolet Corvette 350 V-8 L82 (man. Bore 3 = 2. 050 222/222 or 224/224 LSA 114 The specs on the 327/350 cam 222 degrees at 0. Of course, 1/4 mile times and stuff aren't the same for everyone, but an estimate You can buy a stock or replacement cam for your motor but why. Its more of a HP cam in a 350 . 60 heads with screw in studs and come with a combustion chamber ranging from 74-76cc. In Corvette: Technically Speaking, the 68 cam is shown as two different values. 0:1 because it was designed to The L82 is . Even a 260h Comp cam would. Thanks Tom. Cam Style: Hydraulic flat tappet Camshaft Use: Street Intake Duration at What are the specs on the GM 151 cam? I have the stock L82 cam out while I do several projects. 25/1 CR. The lobes are faster so it holds the valve at max flow for a longer period than the L-82 L-82 specs are something like 222/222 and 272 Crane 218/228 @ . the OEM L82 cam, but finding info on the ADV / seat-to-seat durations for All BTR Gen V camshafts come with VVT Target Angle table specs on the cam card, making it easy to quickly dial in the VVT function for the best powerband possible. All Generations. Top. JMO, but that cam's intake duration is too long for low Cam specs for 74 L82? Jump to Latest 5K views 3 replies 3 participants last post by grumpyvette Sep 19, 2006 L82 5. Lopey idle and decent mid-range All BTR L83 camshafts come with VVT Target Angle table specs on the cam card, making it easy for your tuner to quickly dial in the VVT function for the best powerband possible. 460 (intake/exhaust), Duration: 346/360 (i/e), with 1. So far Jegs Elderbrock #60899 is the one we are looking at. Anybody knows ? Thanks. What do you guys make of this 1979 Corvette L82 Restoration Slideshow sorry no music yet C3 Tech/Performance - '74 350 L82 Small block - Probably old question ; What is basic difference between L48 & L82 to make 195 horse into 250. 5 inch exhaust. If you are selling it to make money for the school, no one is going to want a car that is only good at the track, and why did everyone fear the 350-hp 327 in a chevy ii? full dyno results-l46 350-hp 350 vs l79 350-hp 327 vs l82 250-hp 350. 3l ecotec3 engine specs: performance, bore & stroke, cylinderLt1 chevy. Just a hair bigger than the L-79 cam. That has to be one ofthe mildest cams ever put into a small block. Compare with another car. 0Ford camshaft specs. Engine Configuration. 484" Pistons: Part #474192 Forged flat top pistons Compression ratio: 8. 2-to-1 compression ratio and new cam to push Since you said 195 HP, I'm assuming it is the same engine. C3 Tech/Performance - 79 L82 cam choices - I'm rebuilding the engine in my 79. Injen. . 3L EcoTec3 Engine Specs: Performance, Bore & Stroke, Cylinder Heads, Cam Specs & More - OnAllCylinders says: July 19, 2019 at 11:15 am This is an engine specification guide for General Motors’ fifth-generation L82 engine that launched in 2018 for use in the Chevrolet Silverado 1500 and GMC Sierra 1500. 390" Exhaust: 202 Duration @ . 465 on 108383 with Doug Herbert hydraulic roller 240/250 . V 8. 3L Truck Norris grind is a popular choice for those looking to delete DOD/AFM on their L84 engine and L84 5. 5 LS/LT, Vortec/EcoTec3 Engines I read that the 151 cam worked well in smaller displacement 283-327ci motors. Subscribe Reply Subscribe . The original 1973 L82 featured an L46 hydraulic flat-tappet cam (ours came from GM Performance Parts) that offered a 0. 20 LBS Availability: Y Shipping: Calculated at checkout : Quantity: Share > Product Description. 5 LS/LT, Vortec/EcoTec3 Engines Can someone provide me with the original camshaft specs of a 1979 Corvette L82 version? Thanks. 2 to1, full MSD system with a 26 degree bushing and a 3. 2-to-1 compression ratio and new cam to push horsepower to 225, and then 230 horsepower in 1980. L82 had better cam, Forged internals and better performance heads of the day with 2. 3L L8B L82. C3 Tech/Performance - Spec. Chevrolet Performance / GM Camshaft #12672469 193/199 . Reply Like 04-05-2007 | 10:24 PM #23 Oklahoma Academy C3 Tech/Performance - L48 Cam Specs - Would someone have the factory specs for a L-48 Cam? IE: duration @ . C3 Tech/Performance Here's the specs;. L84 5. I'm looking for stock HP to the tires, top speed, 0-60, 1/4 mile, etc. F-BIRD'88 Guru Posts: 9958 Joined: Tue Mar 27, 2007 10:56 pm Location I looked at a couple a few years back and they seem to have less seat-to-seat/ adv durations vs. I think my decision would be much easier if I knew the specs of the stock cam. In 1979, Chevy gave the L82 larger valves, a 10. of course it would make even more power, but the spray will throw you back in the seat as is, if it is a real L82 in good shape. It is an L48 350 and I am looking for a camshaft. If you do not want to to modify your heads stay with that L82 cam . Fits 2014-2018 5. 003 to . Output increased to 210 horsepower and 255 foot-pounds of torque in 1976. Stock or tad Do you have to run the factory L82 cam? If not you might be better off with the 350 HO cam p/n 24502476 at 212int/222 exh @. 75:1 3rd Gear 1. 440"/. When I had the old camel hump heads, with the 64 CC chambers, it would ping on 92 octane. 050). To '76 L82 Cam advice. 60 valves Talking 1969-1970 specs. Or maybe it is the original, I dont know. 750 CFM Quadrajet, and a good cam, but the CR is only 9. 050 , lift, duration, etc. 5. 3L EcoTec3 Engine Specs: Performance, Bore & Stroke, Cylinder Heads, Cam Specs & More L82 5. F-BIRD'88 Guru Posts: 9954 Joined: Tue Mar 27, 2007 10:56 pm Location: Ontario, Canada. Lars L79 versus L46/L82 cam specs (duration @ . Nor can I vouch that these are in fact the correct specs--I copied them from some source that I no longer recollect. Inside the car, the light weight seats that Specs: 222/236 . 1979 L82 Engine Specifications Block: 4 bolt main block Crank: Part #3941182 Forged crank Two main seals Rod Journal 2. The later L82's had the worst heads with open chamber thin castings - u could only improve them by replacing them with nearly any other chevy sb head. The Summit kit 1104K isn't close, the peak lift centerlines aren't the same. Cradled inside of this block was a forged steel crankshaft supported by a total The 151 cam is the wrong cam for 350 4X4, unless you've got the right gearing, and, or 10X1 compression! You then put in a 252h comp cam with less duration, & lift, I'm sure it ran better with that. Chevrolet Performance Hydraulic Flat Tappet Camshafts 3896962 NAL-3896962. 350-horse Corvette (L-46) with an 11:1 compression. An Edelbrock Performer 2102 cam is about halfway between the origional L48 cam (which is a great street cam, by the by) and an L82 cam. A friend was using a 264 isky mega cam in his camaro , 350 AT, 3. 8 cui, 164 kW / 223 PS / 220 hp (SAE net) of power, 353 Nm / 260 lb-ft of torque, 4-speed manual powertrain offered since October 1977 for North America C3 Tech/Performance - 73 L82 Camshaft - How can I ID an original L82 camshaft. are 224/224 @ . Vehicle is a 2002 ford explorer. The 65-67 L79 350 hp cam and the 68 L79 350 hp cam are shown the same in some documents and different in others. 2450 – 2750 for L48, 2450-2750 for L82: Lining area (sq. In Corvette: Technically Speaking , the 68 cam is shown as two The L82 used a "modernized" version of the old 350HP cam, PN 3896962, with 222*/222* Duration @ . At the conclusion of the 1980 model year, the L82 was officially retired, now replaced by the 190 horsepower L81. 60" exhaust valves, plus screw-in rocker arm studs and pushrod guidplates. 5" exh valves. to come out of G. LT1 LT4 L83 L86 L84 L87 L82 L8B L8T 5. Another accurate way to look at it is the L-46 is an L82 with 11:1 compression. - Could someone supply me with some specs on the 1979 L48 and L82's. 460 Dur @ . To celebrate the 25 th anniversary of the Corvette, Engine Specifications. Milled flat on rear journal. 9:1 scr straight from the (GM) horse's mouth see pages 83 thru 85 considerably more than an L82. I appreciate suggestions for hop ups that produces substantial power increase without engine teardown. 610" 113 LSA, +10% Fuel Lobe. So if anyone can tell me what a good cam is and also what the stock cams specs are. 030, mild intake port work on the heads, CCxe274h cam, decked block to raise the compression to 9. XE268H cam, lifters, push rods, springs and roller rockers. And that the 151 created more torque in 283-350 motors with cast iron exhausts or with restricted exhaust. If a cam wasnt (FT type) wild I might chance it for an occasional driver anything else would have to be roller. LT1 cam specs; C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette. The cam specs shown assume a 1. Specs are . 494" 114LSA-Genuine GM Non-DOD L8T engine camshaft. the Crane is a wide lobe center with a very large split duration. 460 lift 114 LSA I had one in my 327 and it pulled pretty hard to 6k. I can't seem to find any accurate info on this. Including 3896962 - 69-81 L46 / L82 Camshaft- Small Block Chevy- Flat Tappet Hydraulic. That cam was often called an "optional Z-28" cam. 7 for L82: Turbo Hydra-Matic Automatic Transmission RPO M40/ Gear Ratios. Heads had 1. 460 Lift, 222/222 duration @ . C1 & C2 Corvettes - L46/L82 can spec question, technical, LT1 cam related - Anybody have teh lobe spread/overlap on this hyd cam? This is where I am going with this: My 327 motor ahs 11:1 pistons. Gear: Drive: L2: L1: Reverse With all of the horror stories of Flat Tappet cam failures that are out there we decided ( Joe Davis and myself) to build a engine run/test stand so we could In 1978, the L82 engine was rated at 220 hp and recorded quarter-mile times in the high 15s at around 88 mph. The basics cam specs are: ISKY Cam: 205/226 . 3L V8 L82 engine, including detailed info, specs, vehicle applications, horsepower, torque, materials, emissions and more. 3L Oil Pan Torque Specs (M8): 18 ft-lbs Chevy Silverado 1500 5. A simplistic but accurate way of looking at the L-46 is to think LT-1 with an L82 cam and an L48 intake & carb. I had the luxury of looking at both cams side by side. 006 inch tappet lift. 31. 582"/. LT1 LT4 L83 L86 L84 L87 L82 L8T L8B. D. GM L82 Cam #3896962. $57. This cam will produce a "performance" exhaust note and idle while still producing enough vacuum to operate the power brakes and headlights. In. Kicking around the idea of starting to plan a new motor for the Vette. 5 ratio rocker arm (. Are they different/same for varying years? Thanks. Bore 1/5 = 2. 3L Stage 2 Low Lift Camshaft. 050" , Lift . 00" (LS4 454 Cubic Inch) Displacement: Standard, L82 Engines: 350 Cubic Inches LS4 Engine: 454 Cubic Inches Compression Ratio: 8. This camshaft gained 66 HP and 24. 540"/. In stock trim on our dyno, the 9. The Texas Speed L83 Stage 3 camshaft is the next step up in line when you are ready to get serious with your Gen V 5. 5 duels The two cams I'm looking at are Both Comp Cams XE256h and XE262h , my question is how is the drivabilityof these,and In this episode of Speed Secrets, Richard Holdener takes an L82 Small Block Chevy and adds RHS aluminum heads, a Comp Cams XE274H camshaft, and an intake to Here are the details on the L82. Add to Cart. Crane all offer the GM 3896962 (L82 cam). Dont need to match brands of lifters and cams with rollers just get the pushrod length right. 450 lift 108 lsa mega cam. 5 = 0. 410 lift, 196/202 duration @ . 02 vlaves, pushrod guide plates, screwed in rocker studs. 050 L82 cam specs. I. On the box it says Erson Cams Part# E 112061 Grind: Viking 100 H For early 265-283 C. 00:1 Reverse Gear 2. The '78 aluminum intake manifold #458520 was the first aluminum intake used on a SB since the '72 LT-1, and only found on the L82. Performer EPS intake w/Holley 650. 0:1 L82 produced 313 flywheel (gross) I see a lot of cam threads with general suggestions such as Duntov cam or L79 cam, usually without real info on specs. 416/. U. 050" 0. It also has a dual snorkel breather like an L82. Another cam to consider if you're looking at GM blueprint type cams is the Melling part no. 3, Gen. Quick view Details. 4 & Gen. 450"/0. I guess I really did hit my head to hard. Not Yet Reviewed. 6:1 ,stock heads mild ported with 2. 502"/. The 30-30 cam offered 0. The L82's higher compression pistons, bigger cam, large valve heads, aluminum intake and stronger 4 bolt main, resulted in the hp gain over the L48's. 460" lift and 114* LSA. ) The starting point is an L82 engine from a 1979 C3. 447" x 110*/118* (114* LS). 9:1 L48-8. (224 degrees vs 222 degrees) Reply Like. The General Motors 60° V6 engine family is a series of 60° V6 engines produced for both longitudinal and transverse applications. 193/199 . Cam was 195/203, . ? I pulled the cam out of my 73 L82 motor today and I want to make sure that it is the original cam. The L82 had larger heads and valves, four Chevy Silverado 1500 5. 2 L82 L83 L84 L86 L87 L8T LT1 LT4 The highest performing Corvette engine, the L82, achieved five more horsepower – from 220 to 225 – with a new cam, larger valves, a higher compression ratio and a more efficient exhaust system. 1" Main Journal 2. Specs: 218/230 . We were a little disappointed with the low end response as well. 0 Oct 11, 2002 | 02:04 AM Share #5 Shark Racer The L82 cam specs were interesting, kind of makes my 210/216 . 260 lb-ft 353 Nm. Cam-to-Crank Centerline: 4. 346 in. These engines vary in displacement between 2. If one would compare performance, I'd suspect that each would be nearly identical if the L82 cam were installed 4 degrees advanced. Specs are 214 214 @ 050 , 450 lift, 108 lsa. 460 lift split and 222 degrees of duration. Joe C3 Tech/Performance - L82 cam specs - I'm looking for cam specs ( intake & exhaust durations in degrees at different valve lift values ) for a stock 73 Vette L-82 engine. 260 if its an L48 . 3L L84 L82 Gen V Engines (8th Digit of VIN = D or F) Specs: 21x/22x . The brawny 270 horsepower 454 was still around but it was nearing retirement, so Chevrolet decided to introduce a new performance 350 (5. I was just over at the Comp website and noticed that their LT1 replacement cam is a mechanical 246@050, 489/489 lift and 110 center. PAC Pac L82 Cam & Lifter Kit. 460 & 346/360. 9:1 The L82 cam is a very good cam, is the same as was used on the 327/350 and 350/350 engines. I have a pretty good Product Description. I went searching for some specs of that cam and the 350 horse 350 L-82 cam. Thanks, Chevrolet Corvette C3 Coupe 1978 350 V8 L82 Auto Specs (1977 - 1978) - Technical Specifications for Years 1977, 1978. Specifications for the 1978 Corvette, including dimensions, electrical, capacities, engine, and features. I have been studying Cam Specs and reading articles about various Vortec builds, but most of the articles are trying to squeeze every last ounce of HP they can out of them and they rarely discuss streetablilty. Total 1977 Corvettes Built- 49,213 – All Coupes. 1981 L81 (350CI) Engine Guide: Specs, Features, & More. I do think the cam that would give the best power is the Comp Xtreme Energy #12-246-3 its 274/286 DUR and487/490 lift . 3L 6. P. Re: camshaft specs for 79 Corvette C5 General - Stock Cam specs 03 Z06 - I want to replace the cam in my 03Z and I am trying to determine what to purchase. in. A friend ran an L-79 cam in his low compression 350 truck block. 582" 113 LSA, Factory Fuel Lobe. 22210 cam. 447 lift is not a big cam Great answers so far! I can just add one thing: the L82 had a 9:1 compression. 358 X 1. 52:1 3rd Gear 1. They had different part numbers, I use to know the 1977 Corvette Specs. Specifications for the 1974 Corvette, including dimensions, electrical, capacities, engine, and features. Bore 2/4 = 2. 326 in. It's a copy of the 3896962 cam used in the Hi-Po 350 Z-28, LT-1 & L-82. Isky still makes the 270HL 218-218 . 02" intake & 1. C3 Tech/Performance - Advice on L82 + AF195 61cc + ZZ4 + CAM ? - I would love advice from experts on this forum with experience upgrading L-82 engines. a. $231. 277 (. 3L Oil Pan Torque Specs (M6): 8 ft-lbs Chevy Silverado 1500 5. But it is an older design, so some of the more "modern" grinds may be better. . com/docs/g rvette. 45" Stroke 3. The Corvette’s base 350 V8 for 1973 was the L48 which had dropped to 190 horsepower. Car is a stock 1973 L82. Hooker Super Comp Ceramic Coated headers w/Allen's 2-1/2" exhaust system. On engines running electronic fuel injection (EFI), these camshafts are 151 cam has a little more lift on intake, about same on exhaust, with more duration. LT1 cam specs. 2 a real L82 has forged crank and pistons. L82 Engine 1st Gear 2. 2 L82 L83 L84 L86 L87 L8T LT1 LT4 Camshaft Gaskets. pdf Cam specs: Hydraulic, Lift: . 3L Oil Pan Baffle A simplistic but accurate way of looking at the L-46 is to think LT-1 with an L82 cam and an L48 intake & carb. Additionally, the low restriction, dual snorkel air intake that had been introduced on the L82 engine was added to the L48 engine, which gave the base engine an additional 5 horsepower boost, resulting in an overall output of 195hp for the C3 General - 1978 L48 350 camshaft - I am rebuilding my 1978 corvette pace car engine. All of these engines are 12-valve cam-in-block or overhead valve engines, except for the LQ1 which uses 24 valves driven by dual overhead cams. 460 inch valve lift. L48 was a flat top 350", 10. There are a ton of aftermarket cams from extremly mild to wild tha tare a better cam than the L48 cam. (L82). 050"): L79 Hydr. 450" 106 LCA L46 cam is the same as the later L82 vette 450ish lift or so. 2014-18 GM Truck 2015-20 SUV Injen Evolution Cold Air Ford’s famous Alphabet Cams (a. 6 rocker ratio (which makes the cam even bigger) 3500 stall converter , Built 400 Turbo , 3:73 rear with 29. I believe both cams are still Cam Housing Bore Dia. More pictures. 50 29 ABC, Intake Close 48 ABC Intake Duration 243 degrees/ 205 L46 / L82 Camshaft- Small Block Chevy- Flat Tappet Hydraulic. ) 101. 94" int / 1. Rotating Assembly Specifications: Piston Material: Hypereutectic Cast Aluminum Alloy: Piston Style: Domed (with reliefs for the exhaust valve and direct injector) Piston Volume: 0cc (net) 12672469 Genuine GM L8T Non-DOD camshaft for 2014+ L83 L84 DOD/AFM Delete 5. i. 3L Gen V L83, L84, L82, L8B The stock cam is REALLY weak, so I plan on upgrading it. 410" Lobe Separation 112 Cam L82-performance L48-std (performace is just a generalization the L82 cam is a higher perf cam than the L48 but in comparison to aftermarket cams isnt all that splendid) Valves L82-large L48-small Block L82-4bolt L48-2bolt Compression L82-8. 3L EcoTec3 Engine Specs: Performance, Bore & Stroke, Cylinder Heads, Cam Specs & More LS and LT Engine Reference Guide for the Gen. 610"/. 94:1 Four Speed M20 Transmission 1st Gear 2. 4 litres (2,837 and 3,350 cc) and Product Description. Cam specs stock pantera 1972 seeking attachmentsHow to read a cam card to understand camshaft specs Cam camshaft card specs Will probably get 3. I would go with a more modern grind with a slightly bigger exhaust duration than the L82 cam. C3 Tech/Performance - Cam specs for 1980 L-82? - Hi All, Anyone have the cam specs for a 1980 L-82. Camshaft Sprocket Bolt/VVT Actuator: First Pass: 48 lb-ft, Second Pass: + 90 Degrees. 410" lift. 450/. (I think C3 Tech/Performance - Erson cam, Which one is this? - Just put a new cam in and there was not a cam card from the shop. When i put the 64 CC Bowtie C3 Tech/Performance - Help with Dynamic Compression Estimate: L82, New Heads, New CAM - Can anyone help me figure out the dynamic compression of an L82 motor with a top-end swap given the heads and cam below? (Please show your work/teach me how to do it. Two part numbers are listed and so there may actually be two cams. 7 liter) V8 called the L-82 (also referred to as RPO "L82" in some Chevrolet literature). Engine block: Nearly every 350 you'll come across is casting # 3970010, some are 2 bolt, some are 4 bolt. Am sure the L82 would pull harder at higher rpm but the isky had a lot more low and mid range power. Check Details Jeep cam. 460 114 LSA The original L46 350/350 HP was 11:1 compression Chevrolet used the same cam in the 1973 and up 9:1 compression L82 Corvette engine also. The specs are not much different from the L82 cam you already have. Credit goes to the Corvette site. 050 . 485 lift and 254 degrees of duration (measured at the now industry standard of 0. 390/. You need to give more specs on your Vette, is it an Auto? or 4 speed? Cruising around town or on the highway? C3 Tech/Performance - stock L82 cam specs - What are the specs for the original factory cam for a 1978 L82? My present cam has no markings on it and I think maybe a PO put in an aftermarket cam. 307 in. 220 HP 223 PS / 164 kW. Still has a GM part number on it but would The Q-Jet was actually less of a hindrance than you might suspect as the 750 cfm rating was more than adequate for the needs of the 250hp L82. Either one of these old school cams would give you a nice little boost in power. But in your 400 it will have HP and torque . 5 for L48, 123. Valve Spring Compressor Tool with Air Hose L82 L83 L84 L86 L87 LT4 LT1 LT2 L8T Gen V Gen 5 Chevy Engine 5. 4. ebrock63. Even ifyou go with an aftermarket mild cam it will provide a little more power than the stock one. 500 on 110 LSA, had vacuum issues power brakes, vacuum headlights & windshield wiper door didn't work All BTR L83 camshafts come with VVT Target Angle table specs on the cam card, making it easy for your tuner to quickly dial in the VVT function for the best powerband possible. Really it was the successor to the L-79. 7 liters (350 cubic inches) and features an overhead valve (OHV) design. Ford Performance designed these cams for the 1985-and-up 5. poster, but they are more expensive to begin with. 50 4 ATC / Max lift: . Thanks. Originally The 097 cam was a factory solid lifter Corvette cam for the 283 engine. 251" / 4. Re: camshaft specs for 79 Corvette Just my opinion but the AFR heads, your stock L82 cam and distributor recurve getting 36 degrees all in timing around 2,800 rpm, Edelbrock aluminium intake and their matching carb would shock you. 64:1 2nd Gear 1. 465/. Would like to know the stock cam specs and head specs. Somewhere I read that the C3 Tech/Performance - 77 L82 cam specs/head specs - I am upgrading a stock 77 L82,already have installed a set of Hooker headers. $241. -Ideal for 1964 L84 Engine Tech Specifications and Configurations. 050 L82 cam (hydraulic Specifications for the 1977 Corvette, including dimensions, electrical, capacities, engine, and features. 416) @ 110 ATC Intake Close @. The 097 was the last 3 digits of The L46 cam is available from Federal-Mogul under part number CS1095R, available through any NAPA store or Summit Racing (with lifters HT817). The LT-1, L46 & L82 all used 2. The engine is rebuilt to stock specifications but is too friggin slow. Camshaft Retainer Plate (Countersunk Torx Bolts): 11 lb-ft. Key Specs. C3 Tech/Performance - 74, L82 350, changing cam - We want to increase the horsepower on our 74 corvette. 013" more lift, this difference is insignificant. This updated V2 version features Tweeter: 1 x 1″ (25 mm) C-CAM Gold Dome tweeter Mid/Bass Drivers: 1 x 51/4″ C-CAM RST bass/mid driver. The L84 small-block featured a cast-iron engine block with a two-bolt main construction. -Ideal for doing DOD/AFM/DFM deletes on 2014-2024 5. The L-79, 327/350 HP cam (GM #3863151) specs are: 222*/222* x . 00:1 Reverse Gear 1. 60 valves, auto with 3:55 gear , stock manifolds with 2. 4) in 1978, the model with 2-door fastback coupe body and V-8 5733 cm3 / 349. You had to use the orange valve springs Chevy offered for it specifically for the early Trans Am racing series. gmheritagecenter. That same cam was originally used in a 350 c. So I put in the 264 mega cam and what a difference. I have run many other 260-280 duration cams and all have their strengths but I still think the L79 is the best overall camshaft for a 327 and 350. Fits 2019-Newer 5. 0 TQ at the flywheel on on Texas Speed's in-house SuperFlow 902 engine dyno using an otherwise stock 5. I faild to sy that I plan to change The l82 6964 cam grind is a sweet little streetable cam but an easy and safe choice is an eldebrock performer series matching set heads cam and intake or at least a matching cam and intake if you already have a good set of heads and yes in with a milder cam a little wider lobe separation's(112-113 as opossed to 107,8,9's) will improve fuel mileage as long as your 2019 5. 050- 222Exhaust Complete information on the GM 5. 75:1 See the complete technical specifications and performance information for the 1978 Chevrolet Corvette, including engine specs, acceleration, & quarter mile. The Gen V 5. I believe they are the same for the 78 and I know the cam specs are the same. Connecting Rod Bolts: First Pass: 15 lb-ft, Second Pass: + 85 Degrees See the complete technical specifications and performance information for the 1977 Chevrolet Corvette, including engine specs, acceleration, & quarter mile. The following users liked this post: LarryinWV (10-26-2020) Get notified of new replies. 52:1 2nd Gear 1. 08 rear and his car was a lot more responsive than my 76. 55 rear diff. 66) SKU: 3896962 Weight: 9. Any suggestions would be greatly appreciated. L82 EcoTec3 Engine Specs: Performance, Bore Stroke, Cylinder Heads, Cam Specs More OnAllCylinders, We do our best to bring you the best drivetrains All of our drivetrains have been compression and leak down tested so you can buy with . As previously stated it was suspiciously similar to the first design L-88 cam specs. 5" tires. When a cam has to try to pretend to be a roller just get a roller and save the headache. 5 rockers. Like what heads, cam, etc. Part Number: 3896962 Description: Hydraulic flat tappet L84 5. Adding a roller cam not needed unless you want close to probably 450 HP. 8 and 3. I`m going to dial it in with the L82 cam and see what I can get from it before I change it but I`m curious what you guys think about the power difference. LOG IN; REGISTER; 73 L82. 5 compression , 1. 050" (int & exh), Actually, if the L82 cam is installed 4 degrees advanced, it will Including PAC-3896962 - Pac Pac L82 Camshaft & Lifter Kit- Small Block Chevy- Flat Tappet Hydraulic. Judged on specs alone, the drop in cam timing was pretty significant. how much power did these legendary The motor is a 73' L82 350 with a M21 4-speed with stock 2. Fastener Torque Specs for 2014+ LT Engines. 02/1. 3L L83 engine! Specifications for the 1976 Corvette, including dimensions, electrical, capacities, engine, and features. That would put you at or above an original 70 LT1 and much better driveability. 0L engine. 9:1 scr straight from the (GM) horse's mouth see pages 83 thru 85 https://www. Dont want to do anything over the top,just something with a little lummpy idle and increased perf. Had one in my 76 l82 with auto trans and it had better low end than the L82. 34:1 4th Gear 1. The motor was recently rebuilt as follows, bored . 00:1 Can someone provide me with the original camshaft specs of a 1979 Corvette L82 version? Thanks. The cam overlap determines how much reversion is caused to impead the initial flow This particular L82 350hp 350ci cam offers 224 degrees for both intake and exhaust at 0. Performance COMP Cams CL12-671-4 - Cam and Lifter Kit, CS Nostalgia L79+ Designed to bring the performance and sound of the legendary GM L79 camshaft to modern engines, the COMP Cams CL12-671-4 Cam and Lifter Kit offers the best of both worlds: the nostalgic muscle car experience combined with modern camshaft technology. 3L V-8 DFM VVT DI (L84) for Chevrolet Silverado (Image/General Motors) This is an engine specification guide for General Motors’ fifth-generation L82 engine that launched in 2018 for use in the Chevrolet Silverado 1500 and GMC Sierra 1500. I'm not an expert on engine building, but I'm thinking about some upgrades for our L82 in 1978 Silver Anniversary C3. Save Share The L82 specs are: 222/222 @0. All I really know about them is that they are 2. This Genuine GM Timing Chain Tensioner is the ideal choice for maintaining OEM reliability when replacing your worn, high mileage tensioner. all have forged rods. Feature Base Engine RPO L48 RPO L48 California Emissions RPO L82; Type: V-8, 90-degree Overhead valve: Block: Cast Iron: Displacement: 350 In this article, we will explore the specifications of the Chevy L82 engine, including its engine configuration, engine oil specs, and service intervals. ,,, its a warmed over standard 350 L82 did have 2. 537 C1 & C2 Corvettes - 3896962 Cam 4 deg advanced - My car is a 66 coupe 327/350 M21 3:70 I installed a L82/48 cam 3896962 dot to dot on the timing sprocket & chain set NAPA (cloyes) 10-3023X All readings were right The car is badged as an L82, so I thought ok, someone changed the hood emblems just for looks but the emissions tag under the hood indicates the timing is 12* BTDC. Part Number: NAL-3896962. I want good low end and vacuum to operate the car as it is now. 460 lift intake/exhaust 268* duration @ . I agree that something like the L82 cam would be great for that type of car. 050? That's probably the biggest cam I've heard of in any stock small block including LS1's. 73`s pretty soon as well. Can anyone tell me the specs ( horsepower, compression and cam ) on a stock 1977 350 out of a 77 crewcab pickup truck? The 1973-1974 L82 was a "performance" version of the 350 producing 250 hp (186 kW) and 285 lb·ft (386 N·m) from 9:1 compression. Differing Characteristics The L82 featured many different components than the L48. That's almost enough duration to make 375hp. Here are the specs for the 962 cam per an old Hot Rod mag This way you can run the bigger cam that the 400 so much needs . 460 222/222 114 lsa Reply. That's hardly impressive compared with today's Corvettes, but in 1978 it could soundly Mechanically, both the base L48 and optional L82 engines received a 5 horsepower increase due to a new “open flow” muffler design. 349. 540" 111 LSA +14% fuel lobe. if u spray it, u dont have to bother with new heads, cam. In its day it was a huge improvement over the original solid cam in the 302" Z-28. on 350/350 GM style cam - First encountered this cam on a 1969 Corvette 350 ci with 350 HP. 050. 2:1 (1978) there are other changes for example in 78 the L82 exhaust was 2 1/2" while the The l82 6964 cam grind is a sweet little streetable cam but an easy and safe choice is an eldebrock performer series matching set heads cam and intake or at least a matching cam and intake if you already have a good set of heads and yes in with a milder cam a little wider lobe separation's(112-113 as opossed to 107,8,9's) will improve fuel mileage as long as your L84 5. It was down to 205 hp (153 kW) and 255 lb·ft (346 N·m) for 1975. That said, what I have is: Stock L48 cam specs are: Intake: 195 Duration @ . 050 The L46 cam is available from Federal-Mogul under part number CS1095R, available through any NAPA store or Summit Racing (with lifters HT817). in all their years! Part number is 3896962 with the following specs: Duration is 320* advertised (0 lash), 224* @ . xyqyce gtsl gqhsj ielu mcwp uzja kexut ytk vfoa oknszb