Is the stock 2500 6.0 good for gas mileage?
Is the stock 2500 6.0 good for gas mileage? I know GM has re-worked the 6.0 since the version that's in my truck, but I just don't think there's a lot of MPG to be had from it. Power, yes, MPG, maybe not so much. Sure, you can drop a lot of $$$ on a cam, intake, full exhaust, tune, etc., and gain a lot more than 1 MPG like I did, but then you'll never see the financial return. How did I increase my gas mileage on my Silverado? I went from 12 to 19.5 mpg by getting new...