4.10's and a dyno tune

jmsa540

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Looking at getting a dyno tune and some new plugs put in along with some 4.10's. For those who have already done this, did your mpgs go up?
 

decipha

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New Orleans, LA
what are yall getting for fuel economy?

in my bone stock 03 I have it detuned for 87 octane, it knocks down a solid 20.0 mpg on the hwy ~85mph and 12mpg in the city driving like i do
 

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