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View Full Version : S15 Sr Questions, FAQs, trouble shooting...


AJ1356
04-09-2007, 06:58 PM
Ok guys, my intention is to put together a somewhat comperhensive guide on the S15 Sr engine. As we all know there isn't much infor floating around, so if someone wants to search, they'd just get a headaches and not find what they are looking for. the reason i am putting this together is so others with S15 engines can input thier knowledge as well as my limited knowledge and someday maybe we can sticky this. please keep this clean and mods please help me keep this tidey :)
Basic Swap info.
Items you need.
1, complete engine, transmission, Drive shaft, S15 Diff from a specR, wiring harness and ECU.
Please reffer to S14 Engine swap step by step from www.heavythrottle.com everything on the swap is the same except tranny mount.
Items that needs to be modified.
Tranny mount, supper easy to do this. i used the tranny mount from a auto KA, removed the 2 bolts in the center rotated it 180 degrees and voila it fits perfectly. Also i had the drive shaft modified to fit my s14.
Other Items Needed.
SGI5 From Dakota Digital. this is to convert the signal from the ABS censor in the Diff (it is the same thing as the speed sensor in the KA tranny) so the ECU can read the signal and your VTC would work.
I do not know how to make the speedo work, your input is appreciated.

I'll post links to pictures for locations of lower harness plugs as they are a bit confusing. main engine plugs are pretty easy.

AJ1356
04-10-2007, 04:44 PM
Here are some pictures showing you the proper places for the lower harness plugs, also showing where the Alternator plugs go on the s14 :)

http://www.flickr.com/photos/[email protected]/422308902/in/photostream/