The computer that controls your engine is monitoring countless parameters every millisecond there’s fire in the pipes, then it also has to make adjustments in that same time period based on the data it receives. Thankfully, Jill Hepp from SCT is here to provide some basic information on what tuning software actually tunes. Before you go down the EFI rabbit hole and start melting parts, though, it might be a good idea to have a high-level idea what that fancy software is changing.
Scrolling through the vast sea of high-performance groups on social media you’re bound to see some questions about tuning late model muscle cars or other fuel-injected machines.
