My GMC 2500HD. Duramax/ Allison combo that currently putting 623RWHP to the ground and blazing a 12.21 in the 1/4 while still getting 19.5MPG. Would like to have the engine built before the trip though, and fix my air door, LOL!
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Is your rwtq in the 900s? lol
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1240 RWTQ.
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mother of god
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Lol I've done a lot of work on these. Well done sir, best GMC truck by leaps and bounds.