Tri-Power Tech 57-66 Tri-Power Talk

          
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Old 01-13-2024, 05:06 PM
1950Mercury 1950Mercury is offline
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Default 66 Tri power cfm

I'm sure It's been brought up in the past but does anyone know the true cfm ratings for a factory 66 tri power. Also realizing that two barrel carbs. are also rated differently then 4 barrel carbs. I've heard numbers from 700 to 11 cfm.

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Old 01-13-2024, 05:24 PM
WQ59B WQ59B is offline
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https://pontiactripower.com/pages/faq#8

Theoretically, and converted to compare to 4bbls (the 'different rating' you mention), a '66 is about 850 cfm.


'64-65 set-ups apparently are more like 870 (smaller throttle bore but larger center carb venturi's).

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