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Rb20det R32 Wiring Loom And Ecu With Remap And Safc2= Rb25det Start Key And Go?..what Are The Pitfalls?


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Hi there,

I just got a rb25 with no wiring loom or ecu and i want to put it into my r32, just wanting some experiances... one of the main ones is will it run with a r32 loom and remapped ecu and safc2.

I want to retain my gtr injectors on the rb25..anyone know a place where i can get a custom fuel rail??

What modifications need to be done to make the rb25det run well with r32 loom and ecu?

thanks

posted in wrong sect. before sorry.

i have a rb25 in a r32 its well worth in i have a std r33 ecu and loom if i had the chance again i would not do it this way 1k just on wiring

hmmm no plugs are different injectors, tps, afm etc etc.

i just put the rb25 block and head, manifolds and changed all the sensors over , fuel rail and injectors etc to keep the 32 rb20 ones, then got the ecu remapped and running

then starting changing injectors etc

  • 2 weeks later...

i used rb20det balancer, and steering pump...fitted up perfectly, and also used rb20det loom and comp, no worries!!... just modified the injector wires! IMO way easier than shoving a rb25 loom in and fiddling under the dash what not.

Cheers.

i used all rb20 sensors also.

I got burned with that too. I am running the following

RB25 DE head from R33 (VCT)

RB30E bottom end

RB25 injectors

RB20 CAS

RB20 ignitor

RB20 coils

RB20 temp, oil pressure, knock, start sensors

rb20 everything else.

I had to chop the top feed connectors and fit rb25 side feed ones.

I wanted to use top feed injectors but they would not fit under the plenum no matter what. even without the fuel rail they are too tall.

the whole lot is running off an R32 ecu that I have remapped. it runs like factory, returns 400kms per tank and makes 260odd rwkw.

the R32 ecu can be made to run many things.

i run a 25 with 25 loom and 32 ecu... the wiring side of things is not overly hard and takes around 2 hours to do it properly, thats everything and wipers hooked correctly so everything works.

I much prefer this rather then swapping everything over to rb20shit

In regards to injectors, i used the rb25det injector loom and plug, and made my own plug from the ecu side to fit :thumbsup: .

Edited by RaZ_TuRbO

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