How many miles per gallon with 389 4bb 1966 Pontic bonneville

Asked by Red01 Mar 20, 2015 at 04:05 PM about the 1966 Pontiac Bonneville

Question type: General

2 Answers
1,605

Astre answered 9 years ago

10 to 12 MPG if the car is properly tuned.

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Guru3YL23 answered 3 years ago

I recently drove my ‘66 Bonneville Convertible from Cleveland, OH to Jacksonville, FL and averaged 15 MPG. It has the standard 389 but I had switched the Carter 4Bbl out with another whose name escapes me at the moment

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