Got a question for you guys...

Discuss the RB20, RB25 and RB26 series engines.
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nizmo zilvia
Posts: 751
Joined: Thu Jul 07, 2005 5:09 pm
Car: 95 240sx w/ S14 SR20 Blacktop

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Does the RB26DETT Greddy Pully Kit (Under drive Pully, Water Pump Pully, and Power Steering Pully) work with the rb20det? Can anyone comfirm? I have got a score to settle with some pullys so I need to pick up a set.

OR

Does anyone have different brands that will work with the RB20? Thanks in adavance.


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uber95
Posts: 314
Joined: Sat Jul 08, 2006 5:26 pm
Car: S14

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Just an FYI from my personal experience with under-drive pulleys. Don't bother. Yes you may see an incremental power increase, but the charging problems and the water pump issues (cavitation) IMHO far outweigh any small benefit. Sorry to hi-jack your thread

Sil240
Posts: 2973
Joined: Mon Apr 28, 2003 5:26 pm
Car: Nissan S13 "The One Cam Wonder"

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FYI when you underdrive anything.You turn it slower...Therefore you are getting rid of the WP cavitation at high rpm.

I don't know anything about the Greddy pulleys. But If I were you find out how much they underdrive them.

When Unorthodox Racing comes out with the RB pulley I'm going to be jumpin on that.

That stock crank pulley is pretty heavy just like the 300zx. And the Z32 saw a lot of power from it.

Check it out:http://www.unorthodoxracing.com

Look at the Dyno's

User avatar
nizmo zilvia
Posts: 751
Joined: Thu Jul 07, 2005 5:09 pm
Car: 95 240sx w/ S14 SR20 Blacktop

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Thanks for the imput guys!!!

Btw, when are the Unorthodox pulleys coming out??? I'll be over that aswell. I totally forgot about that brand.

Sil240
Posts: 2973
Joined: Mon Apr 28, 2003 5:26 pm
Car: Nissan S13 "The One Cam Wonder"

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Well Unothodox Racing is most likely only going to make a Crank pulley.And it'll be a long time till it comes out.At least 1 or 2 quarters from now.

If you need pulleys to get your car running just go get whatever you can find now.

But Unorthodox Racing does underdrive the Crank pulley, so it's not reccomended that you run them with Underdriven accessory pulleys.



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