Here is some info help you guys get started tuning with HPTuners. Credit to ozorowski, Keith from HPT, and WS6snake-eater from HPtuners bulletin board for compiling this basic info. DISABLE ALL TORQUE MANAGEMENT Your a hardcore racer now why do you need a computer to tell you how much power...

Here is how to year date a 700R4/4L60 transmission. It can also be used to date 4L60E transmissions if you continue the date progression. 4L60E's use the letter D as the 3rd digit of the 3 letter model code, where 700R4/4L60 uses a M. To go into the 4L60E years just go up from the 1993 code...

I just wanna run mid 12's Bolt Ons All I want is a 12.5 slip lol. Car ran 13.3 @102 last time 1.8x 60' with a 2" exhaust pinch over the axle, a bad fuel pump, and no electric water pump/true duals. Here's a 20-90 pull as it sits. Still 3.23 gears. I wanna go back so badly and test it out. Still...

Hello.. I am new to Chevy's and I am looking for a decent engine / transmission for a new project. I ran across a 1972 chevy truck with an original 402 big block with a 400 transmission. My only concern is that these engines were so detuned by this time that I may have to spend some serious...

My cousin told me he heard of people with LT1's converting the optispark ignition to a coil pack system. Anyone ever hear of this and how much does it cost? Is it a better route then replacing the opti?