i have a 01 4g64 with a 4g63 ported and polished dohc head and all turbo settup using a turbonetics t3/t4 hybrid pushing 16lbs of boost, i have titanium valve springs and lifters...skunk2 camshafts je pistons and rods and much much more i still have my stock auto trans and have had no problem with it.....i am pushing well over 330 horses(dynoed at frnt wheels)
Bookmarks