Top speed with 4.09 rear gear and MT82?

[Dave2013M3]

After 2019 you need a tune for 4.09. I was pretty sure the S650 wouldn't allow it without a tune. We are probably 3-4 mos. away from getting a tune for these cars.

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[Zig]

After 2019 you need a tune for 4.09. I was pretty sure the S650 wouldn't allow it without a tune. We are probably 3-4 mos. away from getting a tune for these cars.

You can tune it now for the low low price of 5+k.

edit: make that 9+k

 

[ThreePedalPlow]

Yea, my hope was to do it after Ford releases a tune but only if I'm not happy enough with the improved low end. The Ford tune on the S550 added a lot of low end torque. I'm hoping it's a thing where I can reflash it or reprogram it after adding the 4.09 rear end if that is possible. Not sure how the one on the S550 functioned exactly.

 

[Darkness24]

You can tune it now for the low low price of 5+k.

edit: make that 9+k

Remember though that (just say 10K) gets you up to 800HP or so at the crank. So to me if that's what you want it seems relatively inexpensive for that much horsepower. Considering what you may have paid for a new 2024 Mustang Gt or Dark Horse!

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