rb25 Greddy Intake on a Rb20

Discuss the RB20, RB25 and RB26 series engines.
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Flamereka
Posts: 255
Joined: Sun Nov 10, 2002 5:24 pm
Car: 89 240sx, 96 240sx,98 subaru 2.5rs, 07 wrx

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I did some looking around and didn't see this brought up yet? Looking at both the rb25 and rb20 intake gaskets they look very close. How off are they? Could a conversion plate be made like what was done on the rb26 ITB intake swap? am I crazy?

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Carl H
Posts: 5985
Joined: Mon Aug 04, 2003 4:09 am
Car: 1995 Nissan 240SX SE RB30DET

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a conversion plate can be made, years ago now i met a guy and son who did a VERY clean swap into an s14 and he made an adaptor plate to bolt to the manifold and head.he said it took some serious thought to make it work but he was also a machineist...

definately doable if you have the resources to do so.
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Flamereka
Posts: 255
Joined: Sun Nov 10, 2002 5:24 pm
Car: 89 240sx, 96 240sx,98 subaru 2.5rs, 07 wrx

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Thanks for the response Carl. I figure I have a cnc mill so why not give it a shot. Next question is does anyone have some intake gaskets laying around they want to get rid of?
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