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RB Pulleys ??

pitchd

By pitchd,
in Engines & Forced Induction

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BHDave Grand Master

BHDave

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The crank pulley of the rb25 is thinner as is the power steering pulley on an rb25 as the power steering pulley only has 3 ridges on the belt instead of 4 like with rb20 as the rb20 has a big pig of a p/s pump due to the hydraulic hicas.

I am running an rb25 with rb20 accessories atm. everything lines up, it's just a matter of replacing the belt for the P/s.

If you can check that the p/s shaft of an rb20 pump is the same as an rb25 pump you could run the aftermarket rb25 setup.

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pitchd Proficient

pitchd

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im most probably going to be putting an rb25 PS pump in as my current one is a hicas RB20 pump but it has a bolt blocking the secondary hicas line... very dodge - upsets flow characteristics of the pump obviously

i just wanna order some lightweight pulleys - wonderin whats gonna fit

- adz

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