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Registered
Join Date: Jul 2005
Location: Cleveland, OH
Posts: 1,367
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964/993 rsr crank pulley aluminum replacement
...looking for an aluminum replacement to factory 6 rib crank pulley. Who makes one?
I still have the factory one on my motor. |
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08-26-2020, 06:06 AM
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Registered
Join Date: May 2004
Location: Boulder, Colorado
Posts: 7,275
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Clewitt??
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08-28-2020, 04:25 PM
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Registered
Join Date: Dec 2001
Posts: 1,353
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Joe
You realize that a 993 and 964 crank are totally different in snout dimensions and length right? those also never came 6 rib... Kevin
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Upland, CA |
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08-29-2020, 12:17 PM
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Registered
Join Date: Jul 2005
Location: Cleveland, OH
Posts: 1,367
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Kevin... sure they did. The RSR's came with 6 rib vibration damping pulley on the 964 cranks, right?
Here's what's on my motor. ...it's in car so I can not see part number on the pulley. 
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08-31-2020, 09:22 AM
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Registered
Join Date: Dec 2001
Posts: 1,353
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Right, this is an RSR racecar part, not a streeter. You need to know which crank you have -tapered snout 964, or 993 based. My RSR sprint motor circa 1997 used a 964 crank, which used a Harmonic balancer, and that appears to be what you have, adding another issue.
Likely these are NLA from Porsche Motorsport, as most all those parts for that serpentine kit are(tried to buy an idler a couple years ago). Good luck GAS Motorsport
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Upland, CA |
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08-31-2020, 10:57 AM
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Racer
Join Date: Oct 2010
Location: Franklin, TN
Posts: 5,885
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This is what is on my 964-based race engine:
 It's a custom setup Richard Clewett did for me. It has a 1973 fan setup on a 964 case with GT3 crank.
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Scott Winders PCA GT3 #3 2021 & 2022 PCA GT3 National Champion 2021 & 2022 PCA West Coast Series GT3 Champion |
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08-31-2020, 04:39 PM
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