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Discussion Starter #1
Hello

I wanted to ask if the GTR engines / ECU / Wiring looms are interchangeable?

I'm putting a RB26DETT into my R34 and ideally want to use R34 GTR clocks so i wondered if say.. an R34 GTR Loom and ECU would work with a 33/32 GTR engine..

Forgive me if its a stupid question, but being as rare as R34 GTR engines are.. its most probably going to be a 32 or 33 Rb26 that goes into my car, so just wanted to some insight..

Thanks
 

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R34 GT-R harness is a bad idea as it uses immo and coils with igniters. It's easier to connect R32/33 harness with R34 NEO harness. That's what I did in my car.
ECUs from R32 and R33 are interchangeable but oxygen sensors are different and must be replaced.
 

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Discussion Starter #3
Thanks for the insight Clrs

Will i still be able to use 34GTR clocks as i have my mind set on the black nismo ones

Looking at the back connectors.. it cant be too hard surely..?

Cheers
 

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The main engine bay harness is different.
 
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