In my 3.4 I used to just launch it in 1st or 2nd. Then just go right to OD and let the tranny take care of everything. Barely noticable launch difference (starting in 1st or 2nd was better), but everything else was the same anyway. But yeah, not too smart to shift an auto trans...next thing you know your car is sitting in the garage not working right....soI wound up getting a formula.
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