I think 98 is when they added the EVAP monitor. When I swapped a 98 engine into a 96 chassis i used the 96 ECU so that was one less monitor I had to worry about throwing a cel for Emissions testing...
About 7 years ago I left the shop to go to dinner and my friend was going to put my s4's in. I got the car to run barely right after that and couldn't figure out why it wouldn't rev for about a day...
i got mine from rock auto. be careful with spacing. when i di my clutch i threw it in and didnt know it would hit the flywheel. snapped it and after talking to pat Klutch realized i had to use wash...
All I know is ANY 95-98 ECU has a speed limiter which can be really annoying at certain tracks when it cuts out. You need a p10 ECU to eliminate that pesky bit of factory tuning.
Letters are just wire colors, and they don't matter. only pin order matters. I gave you link for FSM and page numbers that tells you how to check what wire is what with multimeter.
If you set yours as instructed here. http://www.sr20-forum.com/naturally-aspirated-all-motor/43837-how-check-camshaft-timing.html
then the car should start.
I will say that Nissan is well aware of those articles, and although I wouldn't anticipate any major changes for this generation, there is hope on the horizon.
^ So many manufacturers have 10K interval oil changes now with synthetic oil. Some even say 15k or 20k miles (not kidding my 1 BMW they wanted 15k oil change intervals). Heck even our 2012 VWs ca...
In good shape this version is the most sought after of the Z31. They are the lightest of the turbo Zs, and stiffest springs and sway bars from the factory, and no speed limiter either in the ECU. ...