If I were trying to go fast I would still have the 904 in there. 3 speed will almost assuredly outperform a two speed, assuming the car hooks, which is a big assumption. The glide is not the answer for MOST cars that want to go fast. There is a reason the pro stockers have 5 gears. Because their setup warrants keeping that thing WAY up in the rpms and the 5 speed can do that.
BTW the guy that started this thread asked for info from guys that are running glides in their Mopars. This thread suffers from scope creep


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