Quote:
Originally Posted by DieselSJ
DynamicEFI make the stock ECU laptop tunable with WB O2 support. A set of stock L29 heads, 214 degree cam, intake and my torque is over 500, and I'm over 450 as low as 2000rpm. 6.0 can't touch that for towing. I have way less into this combination than a LS swap.
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What kind of gas mileage out of this setup not towing just unloaded.? I have a similar dually but with a 400 trans, no overdrive. Figuring its impossible to get better than 10mpg.