Here's a full-length tutorial on how to tune the main fuel table using the Hondata s300 system. We explore both open and closed-loop tuning methods and focus on utilizing the lambda overlay feature to quickly and precisely tune our main fuel table. BONUS CONTENT: FULL-LENGTH AEM INFINITY FLEX FUEL TRAINING VIDEO: https://youtu.be/qQIyeu4hXTc BROWSE CURRENT COURSE LINE UP: https://evansperformanceacademy.vhx.tv/browse MONTHLY NEWSLETTER: http://eepurl.com/dlDLlr | Evans Tuning