Originally Posted by ccreddell That and he probably has a deeper 1st gear. A 4L60 or 700R4 in yours would have made the difference-maybe :-) i would go along with that 4l60-e: 3.06 1st gear t400: 2.48 1st gear and on top of that the t400 has more parasitic power loss
http://www.ls1truck.com/forums/showt...386#post389386= MY GARAGE
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