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Re: gas milage improve part 2
Quote:
Originally Posted by wlf89
i just checked my rear end ratio to make sure of what i have and it is a 3.73 rather than a 4.11 so as far as changing the ratio do you think it would be worth changing to a 3.08
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If you do it yourself and spend the majority of your time above 50, sure. But 600$ for someone else to do it (approximate, with parts) will buy alot more fuel than fuel mileage. I'd bet you would get more out of buying a wideband o2 sensor setup for 200$ and tuning with it
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'72 cheyenne super step, '05 long bed gmc
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