I went from a power glide to a sag 3speed and went from prety much high 18s to mid 17s I don't realy think there any hp gains But it sure felt like it. But I think it had to do with the first gear. But then there is a little hp gain over a STD then a AT. takes little more for the AT. I guess thats something to do with the pressure build up in the At I don't know . bu thope this helps anyway.}[oooooo]
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NovaMan/Twisted6/Larry