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View Full Version : another dreaded S15 SR20 discussion


eyedefineJDM
10-23-2010, 12:33 PM
Alright guys, i appologize in advance... but i need your help. I am not asking the same ol " how do i make an S15 SR fit into my S13", question. I also know that this swap isnt the smartest, nor the most cost efficient swap to do... but im doing it. i need a car and i feel like ive been bitten by the s- chassis disease. its absolutely all i want. so with that being said, i am going to attempt to do the dreaded s15 sr swap into my 93 s13 coupe. the reason for doing so is that i recently found an s13 coupe with 75k miles on it that is in pristine shape, with a blown up KA. the seller has insisted that the motor go with the car. ive already been out to look at the car and everything seems pretty legit. AGAIN, the only reason im buying this is because its a rushed sale, its cheap, and its the closest thing to where i live that is in good condition. insurance is paying me all the money i need to buy this car so the whole cost part isnt too much of an issue. Sooooooooo, with that huge ass story being told, here is what i need help with.

i have read that you have to have custom work done to make the 6 sp tranny work. im assuming that this is refering to having a custom drive shaft made/ bought. this swap includes a driveshaft from the driveshaft shop and its custom made just for this swap. but my real question is, is the s15 diff absolutely necesary? i know that you wont get a speedometer reading, and thats something i can live with for now, but will the drive shaft bolt up to the factory diff?

another thing... i feel bad for asking this but i dont ever have too much time to do alot of research online because of my dickhead dad who never lets me get on, but on to my question. The wiring harness that is included, has already been converted or spliced or however you would like to say it, to plug right up to the sr ECU. However, in all honesty, i dont have much faith in the wiring job done, due to the fact that i dont know where it was done, or by who.... so i was wondering if anyone on this forum has done this swap, and has a detailed picture of what the harness looks like after its completed. my idea is to find a picture of a completely finished harness and check to see if my harness has all the same plugs.... thats the best i can do as of right now. so if anyone could send me a message with a detailed picture of a finished harness, or be extremely nice and label each plug on the photo. i had to come to the fuckin library today just to use the internet... :(