Re: 2000 4.7l cc 4x4

From: Ralph Phillips (
Date: Sat Feb 16 2013 - 14:56:42 EST

In city driving? Good chance going from 3.55 to 3.21 may DECREASE the gas
mileage as you lean further into the throttle to get the truck moving.

But you'd have to drive it and test it to know for sure.


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