Thread: Upper OD pulley
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Old 12-23-2012, 06:50 PM   #8
Skylane765
 
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Drives: ZL1-1LE, Z/28
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Quote:
Originally Posted by Stephen12ZL1 View Post
stock upper is 3.0" according to Lingenfelter charts...http://www.lingenfelter.com/sites/li....0%20small.pdf

Scroll down to page 7
Thanks a lot, that makes sense now.
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