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Is the current engine a single cam rb30 with that gear on?  That may make it harder, the inlet and exhaust manifolds may have different bolt patterns because of the different head.  If someone doesn't know for sure you can always look at an rb30 vs rb25 inlet and exhaust gasket, that will tell you if the mating surfaces and stud locations are the same. Injectors you would have to check if original rb30 ran side feeds in the same size as rb25

I don't know the microtech but again generally the ECU follows the head because that's where all the sensors are; you may well have to change this or at least the engine wiring loom as well

  • 3 weeks later...

Ecu would need to be partial rewired and reprogramed to suit the differnt cas sensor, and coils and so on, yet can work. The injectors themselfs will work however the manifolds won't and the fuel rail.wont. Depending on if the injectors are hose tail like the original rb 30 or are proper top feed they may even just slot into the neo fuel rail as is.

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