ChitownStang
Well-Known Member
- Joined
- Mar 9, 2015
- Threads
- 74
- Messages
- 2,859
- Reaction score
- 3,340
- Location
- Chicago, North Shore
- Vehicle(s)
- 2021 Mach 1
- Vehicle Showcase
- 1
- Thread starter
- #16
Yeah, that's the gest I'm getting. Seems to be a waste of money unless I start playing with E85 which it's not worth messing with warranty for that in my case.The Mach1 has basically the FR tune in aspect to the 10R80. When I spoke to an FR rep, they mentioned that the FR tune is heavily based on the Mach1 OEM tune file. Obviously there's other differences so it can't be 100% the same, but you pretty much have the best OEM 10R80 tunefile possible. You won't gain much from going with an aftermarket tune.
Thanks EFI
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