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Just wondering about how much hp I am losing with a 4l60E and a ss4000 converter through a 9 inch with 3.90's, (if that matters). I'm thinking 20% maybe a little more?? I did a search but could not find much, Thanks.
I'm not sure, just a cookie cutter LT1 with LE2 set up on the stock bottom end. Mail order tuned. It traps 113-114 though, with usual da of 3000+. The car with me in it weighs a lil over 3500 lbs.