Re: Supercharge or gear swap?
Thanks for the info. That puts me 200 RPM over factory with 38 inch tires which is exactly what I was looking for. I think alot of people will be at the Hummer dealer with their old trucks the second they come out with a diesel/allison truck. I know I will.
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2004 Lux with 6 inch Fabtech with tie rods, 38 inch MT's, 4:88 gears, and some minor engine tweaks.
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