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Rb30/25 Conversion


FIRTY2
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hey guys this has probably been asked 300 times but im hopeless with the search and dont wanna read an entire write up just to answer a couple of questions..

so here we go.

next thing i might look at doing is dropping a rb30 bottom end with rb25 head...

now can the motor handle it stock? like without bolting a massive turbo on it, it should run fine with a r33 turbo?

and is it a straight bolt in like will all my accessories in my r32 gts-t fit up to the rb 30 motor

if not what needs to be changed

regards

Brad

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dont mean to sound rude but dont be sorry, just do a quick search, its all been answered on several occasions

either thru the major thread in the first 20 odd pages will answer all your questions before it goes into major detail about the specifics. or jsut flick thru the topics that this new sub forum has produced. and a r33 turbo will be hitting its limits rather early in the rev range.

dan

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Yes it will all work. All RB20 ancillaries will bolt on but the power steering bracket needs to be modified.

Yes, an r33 turbo will hit its limits early.. mine makes 12psi by 2200rpm, ~250rwhp @ ~4600rpm and noses over rather severely at about 5800rpm so bad that by the time it hits the 6800rpm limiter it's only making 90rwhp.

P.S. Search is your friend, people get sick of repeating themselves ;)

Edited by bubba
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