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Old 10-06-2017, 11:34 AM   #16
BMWM.D.

 
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Drives: ZL1/335i
Join Date: Apr 2014
Location: Santa Barbara
Posts: 870
Quote:
Originally Posted by PinHead View Post
This should be a sticky-(Gates Belt #)
I ordered one of the green (HD) belts listed in the bulletin, but I'm not convinced that's the best option. At least for maximum belt grip and performance, I think a Gates RPM belt in stock length is a better choice. I've used the green HD belts in the past, but this was before the RPM line was introduced. And unless you're experiencing this exact noise (which shouldn't affect ZL1s without AFM), I'd stick with a stock length belt. Just my 2 cents after building a bunch of blower cars and fighting belt slip.

For anyone interested, the Gates RPM belt in our stock size is: K080828RPM. The stock belt is GM part number 12668317.
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