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...

I just ordered a "NEW SHORT BLOCK 4 BOLT MAIN LT1 ENGINE" from Powertrain Products, Inc. It looks like a good deal and i have read good things about them. Has anyone here ever bought one of these from them? Let me know your experience. Here are a few pictures and a link...

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...

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?

I'm having random misfire code and the engine has a little shake to it. So it's got a miss. Since everything is new from the opti ( with mitsubishi sensor ) to the plugs, I'm pretty sure it's none of that. I already found a dead injector and replaced that, now all 8 are working properly ( used a...