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Re: Holley Carb Tuning Question


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Posted by The tractor vet on August 27, 2018 at 07:47:25 from (104.179.81.68):

In Reply to: Holley Carb Tuning Question posted by nrowles on August 27, 2018 at 07:01:45:

Well many years back in the FUN DAYS i worked on many performance Fords . Now now knowing everything about yours it would be all guess work here . (1) i never set curb timing at 16 degrees usually around 8-10 degrees and on a four speed car 38 degrees coming in at 2000 ,BUT there was a curve that i would build into the dist. for the mechanical side and then add in what the vac would also pull on . But after 45 years i can't pull that out of the OLD MEMORY DRIVE . Carb jetting for our area of this country would be some place between 54's to maybe 62's in the primary and on the secondary side 68-78's . Depending on cam's the power valves could range from a 9-10.5 . Staggered jetting would also come into play for fine tuning . Having all the toys o play with was a plus . As the dealership i was working at we had a chassis dyno latest Sun and allied rotunda test equipment . I made the mistake of letting a friend use my note book that i had all this info wrote down in when he was building his 65 Mustang and he and two other guys went out drinking and he got killed in a car wreck , i never saw my note book again . It contained all the info i wrote down on everything for every engine we worked on all the timing curves and what worked and what did not , all carb spec.'s , info from factory engineers and factory test data , part Numbers . i was involved in ford Drag racing since 1964 .


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