Quote:
Originally Posted by wbnapier
Although the 1966 center carb has a larger throttle-bore, 1-11/16", compared to '64 and '65 carbs with a 1-7/16' throttle-bore, the venturi size is smaller on '66.
Center carbs of 1964 and 1965 Tri-powers have 1-1/4" venturi, whereas the 1966 center carb has a 1-3/16" venturi.
I think this means the '66 will flow less CFM. Someone can chime in and correct me if I am wrong on any of the above.
Edit - For more info, read #8 here: http://www.pontiactripower.com/faq
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OK. Thank you very much, Carmine.
I just tried that link. "Page not found".