just found this out!!!!!!!

Discuss the RB20, RB25 and RB26 series engines.
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gani
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tore apart my motor today found out that the crank needs the oil pump drive extended. common misconception is that r33,r34 rb25 doesnot need the oil pump drive extended i didnt think much about but it till now and i have an r34 engine.

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themadscientist
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eh? can you elaborate on that?
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gani
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the crank drive for the oil pump you know.......it only extended 1/4 inch into the oil pump gear thus when you rev it high it spins and doesnt engage to the pump thus you get oil starvation and boom. anyway i got a machine shop here that has done this before for my friend with an r32 crank.
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themadscientist
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Oh that, yeah I have seen a few cranks that went out like that
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GTR Shop
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We have a batch of collars getting machined at the moment if you're interested.
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