4.10s will definitely help but kill your gas mileage. A stock muffler will help your torque since you'll need the backpressure.
4.10s will definitely help but kill your gas mileage. A stock muffler will help your torque since you'll need the backpressure.
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
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