Quote:
Originally Posted by LOWDOWN
The problem, in truck circles, with all-out tunes for ultimate numbers is that you lean 'em out so much that their towing capacities actually suffer... Strap on a gardening trailer, or a part-capacity load, and ping-ping-ping! The "numbers" improvement comes at the expense of the "fat" fuel curves put in place to safeguard a to-capacity towing/hauling intended use.
Tunes for straight-line performance? OK. For regular truck duties? Not so...
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Huh? I'm not talking about getting a aftermarket tune for performance I'm referring to the factory e85 tune like the 5.3. Although since I posted that I read the 6.2 doesn't come with a e85 tune stock. Either way that's ALOT of torque for a small gas n/a engine on pump gas.