12-08-2016, 04:10 AM
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CC Member/Contributor
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Join Date: Feb 2000
Location: Greenville,
SC
Cobra Make, Engine: 70 Shelby convertible, ERA-289 FIA, ERA 289 roadster hybrid, mystery Ford powered 2dr convertible
Posts: 12,764
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Quote:
Originally Posted by BAsque1
Good morning folks:
Merry Christmas and Happy New Year to all and Happy Holidays for the upcoming feasts!!
I have a question regarding carburation for my 427 Side oiler, my car came with a Holley 770 CFM carb and I have been having issues with it. Rather than try to rebuild and go through frustrating trials and errors I decided to replace the carb with a new one of exactly the same specs; 770 CFM. I have been told after the fact that a Holley 650 CFM would be enough for I am not racing this engine. I have no idea what carb came from the factory with these engines, van anyone shed some light on the matter??
Your input is always appreciated
Regards
Lou
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Lou,
Depending on your specs, a 600-650cfm double pumper, 4 corner idle circuit carburetor is recommended.....For when it comes to fuel consumption, bigger is not always better. Chassis (not engine) dyno does not lie
Perhaps post some specs on your engine and we can go from there.
Bill S
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