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That sounds awesome Tom! You better have 2-3 spare trannies available though. I went thru 3 myself with my 383 T-trim T/A that was making 600 rwhp. The 4l60e just can't take it, especially with slicks. Good luck!
My 93 Trans Am made 440rwhp before I ported the heads (not sure after that) and I couldn't bark the 1-2 shift with 275 nittos and other suspension work. The guy I sold it to ran 105mph in the 1/8th!
My mostly stock C5 spins F1 SC tires easier.
Thanks guys for your comments. I will post regular updates as the project progresses.
I am more than a little concerned about the trans and it was a problem with the 566RWHP. Geoff at Performance Tech has made some changes to the ramp up time and pressures and I hope that will help. I am still trying to have him take a look at squeezing in a 4L80E but there is just not a lot of space.