98+ 3100/3400 Tuned ECM

Custom ECM tune for 1998-2005 3100/3400 engines.

- 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 1998-2005 3100/3400 engines. Additionally, for derby applications, it is recommended to Hotwire your transmission. Please note that this tuning is intended for off-road use only.