1965 Impala BBC I/S

[Dan Fahey]

Originally Posted by Mark Yacavone

Nope....you didn't say 5.7 cars, which may be true.
305's came with 7.5's ...I had one...with a 2.56
That gives you about a 1.80 gear in OD..That's how it got 28 mpg @70 with the a/c on.

Yeah I can see them with the smaller rear.
But have not seen one with the 4.3L LT-1 but does not mean it was not installed.

My 94 Caprice Wagon has a set of 2.56's and has touched 24mpg best loaded with family. Mostly in the 23.5 range.

The Impala SS originally had 3.08's and get a best of 23.75mpg. But consistently 23.23mpg.

When our Impala B-Body guys added the 6sp.
Some installed 4.10's and reported 25 - 26mpg.

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Please send me the Photo's of your Frame.

danfahey@dansources.com