Since my car has been acting up here latley I've done a ton of research on how the ignition system works(opti icm coil ect...) I came across this video that ges details on how a opti aka abits works and how to diagnose it. It kinda bugs me in a way when ppl assume right off the bat when their...

**Stock Head Cam/Cam Swap Guide** Intro: It seems like several people every week want to know what cam is best for their stock headed/stock shortblock LT1/LT4 or what components they need for a cam swap; so this is a guide to steer all of you in the right direction and hopefully allow you...

Just want to be sure when I put my opti in I "know" which hole to put the cam pin in on the cloverleaf. My question is does the opti center shaft have to go in a certain way like the splined drive, or does it just go in for balance ect in no particular way Im assuming there will not be a flat...

Finally got time to work on my car a little. Let me know if you have any of these I would appreciate it. Tommy

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...