Thread: Need Help with tuning Webers
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Old 03-31-2007, 04:01 PM
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ENTDOC ENTDOC is offline
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Join Date: Jul 2002
Location: Greenville,sc, SC
Cobra Make, Engine: Kirkham 427 (KMP 266); CAV GT40
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right now I have the following on my 454cu FE. mains-65, Idle jets-60 with 120 holder; air corrector-205, by pass -50; 37 mm chokes` emulsion tube-F7

I still get a lot of black smoke on hitting the throttle so I am going to a 55 by pass. Still a stumble at 2400 or so but by and large the car runs very well. I will hook up the LM-1 AF tester soon to fine tune

I would like to try some 40 chokes at some point but mine is running well enough to stay with the webers and play with them over time, I enjoy it. found a guy in Italy that sells jets for 1.75 dollars so I ordered a bunch.
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