With these handheld LS1 tuners you can make more precise and accurate tunes allowing for more aggressive tuning on your LS1 F-bodys suitable for high performance. - GM High Tech Performance ...

Our "My First Stroker" 383 LS1 Stroker project engine is finally ready to run. Check out what kind of horse power this small block makes. Only at GM High-Tech Performance Magazine.

Mail-Order Tune: For the hobbyist who desires a custom tune for his LS1-powered Firebird or LS1 or LS2 GTO, Real Performance Motorsports offers them via mail-order as well.