RB20 Crank pulley HELP!!!

Discuss the RB20, RB25 and RB26 series engines.
MATTs14
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Car: Red 1995 Nissan 240sx

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I was recently involved in an accident and i bent my crank pulley on my rb20. I was wondering if anybody knows where i could get one or if a crank pulley off of another motor would work. I really need you guys help asap. Thanks in advance


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nizmo zilvia
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Joined: Thu Jul 07, 2005 5:09 pm
Car: 95 240sx w/ S14 SR20 Blacktop

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I believe all rbs are interchangeable. If not then rb26s work on it.

Some one correct me if im wrong, but thats just the top of my head.

MATTs14
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Car: Red 1995 Nissan 240sx

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Ok thanks a lot. I need one soon so this helps a lot.

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Coolwhip
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MATTs14 wrote:Ok thanks a lot. I need one soon so this helps a lot.
The RB20 and the RB25 have similar pulleys... however not the same.

The AC belt grove is a different size between the two, and the powersteering pump pulley has different amount of teeth.

I have all 3 pulley's here so I'll take a picture for everyone's reference.

MATTs14
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Will a crank pulley off of any other car work such as a 300zx or off a ka24 or sr20?

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Coolwhip
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I don't know, since I have neither in front of me at the moment. But shoot me an email since I have an extra rb20 pulley here.

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Carl H
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Car: 1995 Nissan 240SX SE RB30DET

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gotta get a 20 pulley.

MATTs14
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Joined: Thu Jun 28, 2007 8:13 pm
Car: Red 1995 Nissan 240sx

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Ok im gonna go ahead and buy the pulley from RawBrokerage. Thats one of the most helpful sites ive seen in a long time. I highly recommend them for any hard to find parts. Thanks guys for all your help

gawdzilla
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i think all 3 pulleys are compatible in terms of where the alternator/water pump belt sits. ps is different between rb25 and 26 for sure. don't know about the 20 but it seems others say that is different too.

jdmser
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I've been running a 25 pulley on my 20 for a while now. Only thing I had to to is get a three rib belt for the ps.

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Carl H
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Car: 1995 Nissan 240SX SE RB30DET

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yeah you can run a 25 pulley fo sho...its even a few lbs lighter than the std 20 gear.but no stateside interchangability.

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Coolwhip
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Crank Pulley comparison...http://blog.rawbrokerage.com/2....aspx

albdrift
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Car: 92 240Sx Hatch

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use an rb26


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