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Rb30Det Stagea Conversion

MX_Leigh
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MX_Leigh Contributor

MX_Leigh

Posted
Posted

Hi guys,
I just bought a 1997 stagea RS4 with a low comp motor for a steal, and im picking it up tomorrow.
I want to do a RB30det conversion (as i have done in my R33) but ive been reading around about sumps not lining up etc.
So i have a few questions (and yes i have searched but cant seem to get a definitive answer) -

1. Will a RB30 block line up with the original Stagea 4wd sump?

2. If not, where would i find an adaptor? (i have read they are available for the R33 RB25 motors)

3. Will the oil pickup work, and if not how do i go about making it work?

4. I have the old motor out my R33 sitting around, am i able to bolt up the RB25 RWD sump to a 30 block and remove all the 4wd gear all together?

Any help would be great or if anyone can point me in the right direction as im new to the stagea game

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https://www.sau.com.au/forums/topic/426672-rb30det-stagea-conversion/
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Duncan Grand Master

Duncan

Posted
Posted

Its all easy mate, just the normal rb30 4wd stuff

You will need a sump adapter. You will need to sort out the oil pickup. The lower gearbox to sump bolts will not line up by the width of the adapter. The head will be 30mm higher, affects to radiator hose, intake and exhaust.

But that's about all. Plenty of clearance for the motor including keeping the factory strut brace.

Oh, and it is an awesome conversion

KiwiRS4T Grand Master

KiwiRS4T

Posted
Posted

Pretty straight forward - as above the only fiddly bit is the sump adapter - some drilling and grinding involved - see the RB30 section for suppliers of adapters. Lower gearbox bolts you can fill, redrill and tap or like me just leave them out.

Here's an adapter kit (or you can get one from Rips or there are other Aussie suppliers):

http://www.spoolimports.com/rb30-awd-adaptor-kit

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