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Discussion Starter · #1 · (Edited)
skyline gts 4 door

Hey i gat a 4 door gts rb2oe its my family car but i was wondering will the rb25det fit without having 2 do any modifications besides wires harnes, ecu
i have seen many 4 doors with the 2.5 but my model is jus the basic which i got due to a new baby.
 

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It'll fit. Needs the harness and ECU like you mentioned. I know someone who's doing that swap, and he's having a couple of issues with getting the harness connected/up an running. I don't know what needs to be done to mate the connections together. And seeing that he's waiting for parts, it might be awhile to find out.

The extra work required is upgraded fuel pump and cutting the hole for piping/install of the intercooler. If you go with the RB25, it's transmission is better, but requires a custom driveshaft to be made (bigger yoke, 300ZX size). You can run the RB20's transmission on it, but it won't hold out to long. Odds are the throttle cable isn't going to be long enough... You'll just need the RB20DET one from an R32.
 
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