Quote:
Originally Posted by turboapex
Thanks for the pics,im hearing the 6L90 might not be the best auto trans for a LS-9. Sounds like the ratio in the 4L80 is alittle better and definitely stronger,so i think i will be switching . Dont want to be taking the trans out in a year when it breaks.
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6L80 is not as strong as the 6L90, at least on the output side, but if a built 6L80 will run a few hundred hi 9, lo 10 passes in an LS7 Vette, it cant be too bad.
