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I own an r32 gts-4 sedan and have recently blown my rb20. So now I want to put in an rb25det from an r33. Is this conversion straight forward? Will I have to buy front cut? Will this even work with my 4wd system? How much dosh would I have to fork out to get the engine etc. and get it installed? Thanks for ur help. :kick:

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I've just recently done this. I used the RB25DET from a Stagea. This is the only alternative, other than a RB26DETT, because the R33 engine can't accept the the 4WD sump. I also chose to add a lightened flywheel, HD pressure plate and ceramic clutch plate, and run aftermarket ECU (Wolf 3D 4+). All up, I think it cost around $8k, but I did all the mechanical work myself.

If you get a half-cut - I think you can get one for around $4k - you get the loom and ECU as well. You will probably need a flywheel and clutch anyway, because manual versions are apparently as common as rocking horse shit.

But the results were worthwhile - ended up with nearly 180 kw at FOUR WHEELS - up from 115 awkw with the RB20DET.

Haven't had a chance to 1/4 mile it yet. But just driving it around, it's obvious that a considerable increase in mumbo has been installed under the right foot. eg, driving up Arthurs Seat hillclimb, crap ignition timing (idle = 40!!), RWD mode (temporarily lost the throttle signal to ATTESSA), minimal throttle, and little or no boost, it would light up the rear tyres coming out of the corners. Something only ever dreamed of with the RB20DET.

There is a HEAP more torque, and a lot more power.

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