1999-2002 LS TUNED ECM 4.8/5.3/6.0. DBC

Custom ECM tune for 1999-2002 LS engines.

Can be tuned for 4.8/5.3/6.0

- Precise timing adjustments
- Optimized fueling
- Increased rev limiter
- Temperature parameters modified to allow it to run hotter
- Unnecessary sensors eliminated
- Security removed

This tuning is compatible with the stock harness, but you will need to install a push-button start and Hotwire your fuel pump. For a seamless experience, consider using a simplified harness specifically designed for 1999-2002 LS engines. Please note that this tuning is intended for off-road use only.