turbo manifold, rb20 vs rb25?

Discuss the RB20, RB25 and RB26 series engines.
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BoostFab
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are the two identica/interchangable?


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accel junky
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Same flange pattern, I know that at least.

Yellow4g63
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I think the 20 is a slight bit diffrent, just in the angle of the turbo I think. Notice that when they do a RB30 build they say to use the RB20 exhaust manifold? could be wrong tho.

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BoostFab
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cool...my main concern is the bolt pattern at the exhaust ports

DETurbine
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You wont have any problem bolting the two on your motor. The two flanges and bolt pattern are the same and are interchangable.

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BoostFab
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DETurbine wrote:You wont have any problem bolting the two on your motor. The two flanges and bolt pattern are the same and are interchangable.
thanks i'm looking into doing some R&D for a tubular manifold. stay tune guys!


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