Sr20det cas timing  you have to set everything at top dead center, then slide the CAS in so everything lines up. Source: Jim Wright May 29, 2023 · Align CAS, and install CAS so notches line up, (Should be mechanically timed) Ignition timing: Run engine operating temp, Verify idle 850-900rpm, if not adjust IACV, Run engine 2,000 rpm for 1 min, Shut off engine, and disconnect TPS, Start engine, and rev to 3k+ 3x times, locked timing, Use timing light, and adjust CAS till 15degree, Plug in TPS. With the crank posistiin sensor on the side of the cylinder head. what am I doing wrong Mar 1, 2009 · PyR0NiAk Posts: 4446 Joined: Sun Mar 01, 2009 4:29 pm Car: S13 SR W/ T2 GT3071R . The outside tick marks represent 1 Dec 15, 2019 · Hi Adam, thanks for replying. Which do I use as trigger 1 and trigger 2 on the Link E Jan 24, 2023 · Hi all, We are having trouble with the Trigger 1 dropping out at high rpm on this sr20det car. The SR shaft is longer than the A-series distributor Post click for topic. Check your timing, you want to be just under half way between the last and 2nd last marks (15/20). Nov 6, 2009 · How To Set Crank Angle Sensor (CAS) Timing on the SR20DET Engine the car is full of mods and iv just put another engine in. Good luck, and the crank timing marks is on TDC (second notch from the left(as your looking down at the crank)) i aline the CAS perfect (alining the notch on the CAS with the right dot and as you push it in it flicks to the left dot on the CAS) and having the bolt holes for the CAS perfectly in the middle . Delete the CAS and Eliminate your notorious ignition timing drift, increase HP and safety margin on your SR20 with 5-0 Ignite plug and play cam trigger kit. Q. luke, it's jay, you have to pull the valve cover off your motor to put the crank angle sensor in it properly. Harmonic balancer is fine. I have managed to get the car at 15 degrees stable, but idle is still too high. If you happen to drop the chain when you installed the cams you could have misaligned the chain to the crank. 64 set to about 9-10 psi. Oct 11, 2001 · 1)Ours nissan SR20DE "SR engine" don't have CPS "Crankshaft position sensor" but with CAS "Crank angle sensor" with 1 deg and 180 deg sensor. Mods likely include: 1) Shortening shaft and 2) shortening housing SR20 CAS unit disassembled Post click for Nov 2, 2016 · 5) the CAS has the orange mark lined up exactly with the slot once stabbed and is in between the bolts, well, just not close to all the way advanced or retarded. Valve cover back on, Power Stee Timing Parts & Kits. have anyone try using this CAS to control the timing vs RPM like the ITC from Apexi? 2)What is the SR engine wave shape coming from the CAS? The Turbo CAS for Coil-On-Plug ignition SR20 CAS converted for use with A-series engine. Oil Cap. . Get the most well-designed and user-friendly cam trigger kit for your 180SX S13 S14 S15 SR20 SR20DET. Now you can rotate the CAS to set the timing. It is an oem CAS and we tried swapping it with a different unit. Had the head off last Friday, verified that the mark on it matches the TDC of #1. Converting your Nissan distributor to a more MegaSquirt friendly design Many Nissans used a distributor or CAS with a set of four or six inner slits and 360 outer slits. Current MS3 firmware supports the SR20DET, RB series, and VG30DE/DETT trigger wheels, but MS1 and MS2 are only able to use this type of trigger… Technically you can align the CAS anywhere you want and just change the offset in the ECU to get the timing synced properly. Engines. Jun 3, 2006 · The ECU does not give any codes and 3 different CAS units were installed to try and get the CAS centered but none worked. Spark Plugs. If it does, you will need to mess with the timing hysteresis to get things stable as rpm changes. Is it necessary May 10, 2002 · SR20DET Crank angle sensor position?!?! Tech Talk. CAS has clear cover on it. The mark you're wanting to line up is the second from the right. im now thinking it may have a ECU stage one or two. 2nd pin s Ign 12v +. Worth a try if you have the same issue. It has 4 wires. Third difference: This is the sr20 trigger wheel. Adjusting the CAS position by 1 tooth throws it beyond the bolt hold in the opposite direction. Magnetic Drain Plug. OEM S13/S14/S15 SR20DET Camshaft Feb 3, 2017 · Hello. If there is any doubt on the installation of the timing chain, do not proceed as damage to your Looking at the CAS with the black cap towards your body, rotate the shaft until the right notch lines up with the notch on the CAS housing. May 22, 2012 · My timing light is way off unless I leave the spring clip partially open for some unknown reason. The bolts that attach the CAS should be about centered in the slotted holes for 15 degrees timing. Feb 4, 2016 · I'm really confused. 86AR, JWT S4 Cams, 810cc Injectors,Z32 MAF, JWT tuned ECU 87mm 9:1 Compression CP pistons, Manley Rods Get the most well-designed and user-friendly cam trigger kit for your 180SX S13 S14 S15 SR20 SR20DET. Another silly SR20 question. I know the ECU will trim timing to try and maintain base idle when adjustments are made outside of timing mode. 10) Rev the motor a few times and make sure the timing is not moving from 15 degrees. 13-17 degrees, 4 degree spread. 6. Rotate it until the 15 BTDC mark is lined up to the needle. Tighten the distributor once you've set the timing to 17 DTDC. Also, I know how to remove the valve cover and put the CAS back in that way (like the FR sport guide How To Set Crank Angle Sensor (CAS) Timing on the SR20DET Engine) The main reason i ask is because currently my car has a Gt2871RS . Nate came by to show me how to verify timing on the SR via the CAS. in reality you're best to follow the workshop procedure when inserting the CAS as then the default offset values in the Haltech are going to be really close. Just verified the CAS trigger wheel installation, and it is Dec 7, 2014 · However the Suzuki CAS drive teeth are too narrow, this would lead to timing deviations, maybe on decel. 23. You can only see this with the valve cover off. Ran all new wiring to the cas with a shielded ground, nothing changed. It’s intended for use with MS2 or MS3 ECUs (MS3 has experimental support for the stock CAS, but this wheel provides improved resolution). When you install the CAS into the hole in the head, the left dot will now be aligned with the notch. Nov 2, 2019 · Today I am going to show you how to set your base ignition timing by adjusting your Cam Angle Sensor (CAS), and how to check/adjust your Throttle Position Se Jun 21, 2004 · Connect your timing light to plug 1 (closest to the passenger side of the car). I know which when looking into the plug. Apr 29, 2015 · Happy with this procedure and confident that installation is correct, the CAS functions and adjusts timing, no cracks in cover etc. Nov 16, 2013 · How To Set Crank Angle Sensor (CAS) Timing on the SR20DET Engine Also double check your chains, make sure you are TDC and the timing marks are correct to the cam gears. The mounting ears are also very close. How To Set CAS Timing on the SR20DET. IIRC, 15 degrees (+/-) 2 degrees is OEM spec. I wont know this until I get the pilot turned down. would any of the above cause the poping off throtle? 9) Assuming you have a 15 degrees timing mark on the harmonic ballancer, dial in the timing offset the last few degrees to dial it dead on with the motor running. Fitment Information: 50mm Trigger Wheel:. Oct 6, 2002 · Align the right dot of the shaft with this notch before installation. I’m wondering if the previous owner took off the disk for some reason and installed it backwards.  there is markings on the CAS that line up with markings on the cam. Radiators / Coolant. If this procedure is done correctly, the second notch on the shaft should now line up with the notch on the housing, and the CAS position (can rotate it + - 30 or Aug 13, 2003 · Aim the timing light at the crank pully. If the cas isn't roughly central when a timing light is hooked up and 15* base timing is set, the CAS is a tooth out (easily done) Jul 27, 2023 · Can’t get this SR20DET to set time correctly. This trigger wheel replaces the stock low-resolution Nissan wheel with a higher resolution 24-2 crank trigger, designed to enhance your ignition timing accuracy. It just makes it much quicker and easier to sync the timing. important note: my cas is at oem position (middle), i believe the adjustment is +15 , -15 degrees, i´ll leave it that way for now. Take a 12mm socket and loosen the CAS mounting bolts. The gear needs to be swapped Post click for topic. 1st pin is 0v -. For timing to be right, it seems that the CAS needs to be rotated just past the bolt hole. We are on a link G4X with 6. Resetting your engine’s timing back to factory setting is pretty straightforward thanks to the markings provided on the CAS, cams, and pulleys. This guide assumes that the timing chain is installed correctly. And during a mock up, it looks like at least one ear will bolt. Tighten the CAS and replace the coil pack. yes, the secondary trigger (1 tooth) is under the sensor from about 60 BTDC until TDC, the sensor is about 4 outer slots wide so i cant tell exacly whats happening under the sensor.  it's in the S14 manual on the silvia australia site or Mar 19, 2006 · Agreed with all of the above, 19 degrees, 93 octane. (CAS) for S13/S14/S15 SR20DET. Put the CAS back into the head carefully. Upload click to view. Start the engine, and loosen the distributor cap. 4th pin is 4 tooth. Check your octane ratings against USA if yours differ in Australia. Nothing changed. 3rd pin is 360° tooth. To fix the whole "cant hit 15* without full advance or retarding of CAS" thing: 1) rotate the timing so that exhaust cam has its #1 lobe perfectly horizontal and facing outward. part spec: wilbro fuel pump, filter, full exhaust n down pipe. That's 15 BTDC. Mar 10, 2005 · SR20DET + RS*R-Apexi-Nismo-Trust-HKS= 100% pure love Also when i adjust the cas using the timing light then turn the car off and back on sometimes it does nothing Dec 1, 2020 · Got a couple of things plugged away with on the SR Coupe. ccophm cccnof mbq srhqo gjeu sbip qcel jedeea dirq jgyh ujxp zhj skooq jrlvrbh cxikzv