It will set you back between 2k and 5k, but a TH400 is what you probably need.
https://www.youtube.com/watch?v=8hOQyHlkEI4
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It will set you back between 2k and 5k, but a TH400 is what you probably need.
https://www.youtube.com/watch?v=8hOQyHlkEI4
and also, he discusses the th400 into a 5th gen like yours..
https://youtu.be/Jpb5l0PXupg
The strongest Trans is a 4L80E, it is an automatic 4 speed, that can take high horsepower
https://www.youtube.com/watch?v=jxHLAQhfn40