Thread: cfm quadrajet?
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Old 03-23-2018, 07:33 PM   #25
geezer#99
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Re: cfm quadrajet?

Quote:
Originally Posted by 67_C-30 View Post
Again, the majority of Q-jets, on most everything made after 1976 was M4M casting 800 cfm carbs. Most carbs on everything after 1976 had the same 1 7/32" primaries as the Super Duty 455 carbs from '73-74. 800 cfm Q-jets are not rare or uncommon by any stretch. The HP versions are, not an 800 cfm capable CFM carb.
Just to clarify, you mean 1 7/32 primary Venturi and not primary throttle size.
Is that correct.

FWIW I thought the last 800 came from the 80 T/A with the 301 turbo. 750 cfm after that.
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