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Old 03-08-2014, 11:17 AM
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gsharapa gsharapa is offline
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Join Date: Oct 1999
Location: Prosper, TX
Cobra Make, Engine: CAV GT40 #169, Ford 408 Stroker & ZF Transaxle
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Well I might of found my problem. I took front bowl off to go back to Holley jets and decided to check the power valve as long as I was in there. It has a 2.5 vs the stock 4.5. I have run as low as 3.5 but thinking the 2.5 it probably wasn't opening at the 3,500 rpm on the primary causing my lean issue. Think I will go back to the stock 4.5 PV and my original Holley jetting or bump the primary to 72 and try it.
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