Can you change the IMRC on a F150?
Can you change the IMRC on a F150? The F150 Roushcharger uses the the IMRC to control boost dump, so don't change it with IMRC deleting in mind - rather change it to control boost coming on at lower throttle positions. Personally, I would not use HP Tuners to program a Roushcharged F150, there are too many tables missing for a good, full and proper Roushcharger tune. Having fun! Can you delete the IMRC on a S197 Mustang? With that being said, you MUST follow the detailed instructions below when deleting them on the S197 3V Mustangs, as well as...