Impala Tech - View Single Post - Poor fuel mileage
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post #6 of (permalink) Old 08-29-2019, 06:33 PM
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Join Date: Oct 2009
Location: Orange, CA
Posts: 1,381
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On my 64, I get about the same MPG on my 327 that has been bored and stroked to 383 (granted it has a 700r4 transmission which should help). So that seems like you should be able to do better.

1964 Impala 4 door sedan

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