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...

Thinking about removing the cat in my 95 formula with borla 3" exhaust. What are the ups and downs to doing this?

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...

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 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...