Gas problems and Heartache
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Car: 91 camaro Z28
Engine: LT4 Intake & Heads bottom end 94
Transmission: T56
Axle/Gears: 3.42
Gas problems and Heartache
Alright background first i have a LT4 in my camaro with a six speed. I put the rear end out of a forth gen with disc brakes in and it has like 2.73 gears. The computer was programmed by the guy i bought the engine from and used a hypertech programmer. I am having it set back to stock so i can see what kind of gas mileage i can get out of the car right now i get i estimate about 12 miles to the gallon out of it and that is high way.... imagine my dismay when i figured i should be recieving a bit more. I have an adjustable fuel regulator but i still can not seem to beat the gas mileage i have set it as low as 35 psi as high as 75 and still the same result. i put it at 40 right now. Is the ratio i have for the rear end causing a problem would 3.42 help. would this work better with the six speed. any help or suggestions would be greatful.
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92camaroJoe
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08-13-2015 06:07 AM