For me, I always believe an automatic car should stay automatic and a manual car should stay manual. It is just easier that way. With that being said, I would want a built auto if you are going to be taking it down the strip, since it will be more consistent. A GM auto with a good converter and good internals will be very nice and quick.
For me, if I wanted a stick car I would buy one. Not swap a manual trans into an auto.
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