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Old 03-08-2014, 10:21 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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No confusion as a Holley 76 is .084 vs the QF of .080 so it appears the QF is still smaller. I sent an email to QF (as they are closed Sat) to see if they have a chart like Holley. I just find it interesting that my dyno results ended with 70/80s Holley Jets at 681HP and A/F at 13.1. I had this small lean condition on the primary's in 2nd/3rd gear at 3,500 or so and started going up in jet size to see if I could eliminate it but used QF jets and it appears I leaned it out, so makes sense. Guess the only way I will know is to go back to the Holley Jets and start with 72/82s and see how it is. The others are also using Holley Jets so maybe that is my issue that I made worse......
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