I would never put a TKO 500 or 600 in some thing you want to shift fast with any kind of horsepower. They just don't shift as smooth as a t56. We are building a 35 Chevy in the shop with a 350hp small block and we installed a Mcleod 5 speed to give it a try. But we have no intentions of anything more then a few burnouts.
If you really going to try and be competitive with the car the aluminum block is a huge gain over that very heavy cast block.
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