Tuning Tools
Engine Code Lookup
Look up common GM LS, LT, Vortec, EcoTec3, and HEMI engine codes to identify displacement, platform, years, common vehicles, and tune notes.
Enter a common engine code or name. Examples: LM7, LQ4, L83, L86, LT1, LT4, 5.7 HEMI, 6.4 HEMI.
Engine Details
Enter an engine code to start.
Displacement
Platform
Years
Common Vehicles
JR Jones Racing Tune Files & Cam Kits
Use these tools to confirm your engine, drivetrain, tire size, gear ratio, or RPO codes before ordering. Once you know what you have, JR Jones Racing can help match your vehicle to the correct tune file, camshaft tune, DOD/AFM delete tune, MDS delete tune, or cam kit.