I have the Holley cast aluminum mount on my 69 Firebird and am impressed and pleased with it. I have Vintage Air Sure Fit kit and the Holley mount worked very well. The paperwork reccomended a certain length belt but I found that a belt 3/4" shorter fit better. My engine is a 2004 GTO LS1 with original pulleys.
Tim john---
Last edited by Tim john---; 01-31-2017 at 03:03 AM.
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