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LT1 | LT4 | L99 Engine Tech

Technical discussion for the LTx Gen II series motors.
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1993-2002 Camaro and Firebird/Trans Am specific tech.
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Basic & general automotive tech discussion. For anything not specifically related to a particular powertrain or vehicle platform.
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  1. Diagnose The Optispark

    LT1 | LT4 | L99 Engine Tech
    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...
  2. Turbo 383ci LT1 Build

    Moderators' Rides Showcase
    Gonna throw some pics up of the current engine since its mostly all done now. :D This is the turbo kit Atmosphere maker :devil: Some engine assembly pics Cam pic Full specs and what not will be up later. 100% free webcam site! | Awesome chicks and it is absolutely free! |...
  3. HPTuners programming for dummies

    PCM tuning & Computer Diagnostics
    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...
  4. Question Making an LT1 300HP into a 425 HP motor

    LT1 | LT4 | L99 Engine Tech
    I am about to make some mods on my '93 LT Vette. I want to make it into a 425 HP motor, or better. I am going to an LT4 hot cam kit. I am boring the motor to a 383. I am replacing the stock exhaust with Borla exhaust. I am replacing the stock injectors with 30 pound injectors. I am also...
  5. The Eternal Nightmare

    Members Rides
    2004 The Beginning This 1997 started life as a Formula Trans Am trim and was in the hands of a Hispanic that ghetto lowered it, put flashers and underbody neons on it and a SLP Ram Air hood with an SLP LM1. My father and I have known about this car for a long time as the second owner was his...
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