most effecient chip for 2004 chevy silverado 2500 hd with 6.0 gas engine

Asked by Jan 26, 2017 at 08:42 AM about the 2004 Chevrolet Silverado 2500HD 2 Dr STD 4WD Standard Cab LB HD

Question type: Car Customization

truck is all standard, no oversized tires or lift kits. have 99,850 original miles on original motor. just pu new plug wires and plugs in. this is all that has been done to it. any advice will help, thanks tom

1 Answer

73,175

Your already set up to get the most efficient fuel mileage out of the truck. If you are look for more performance, then you would have to send the computer in for reprogramming.

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