Improve gas mileage on a 427 so ?

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#26 (permalink)

03-02-2020, 07:26 AM

joyridin'

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Join Date: Feb 2009

Posts: 1,696

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Quote:

Originally Posted by bwcobra15

If i had the IRS from Hurricane i could do with the 6-speed but with a Ford 9" live axle i'm afraid the u-joints would bind or wear out fast.

I did about 200 miles this weekend and did observe i'm at 2800 rpm at 80 mph.

Agree. Definitely do not want to go that route with a 9". That isn't real bad, but with a 9", you can drop the 3rd member out of there pretty fast and throw in a lower gear ratio.

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