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  1. 2019-up 4.09 Rear Gear Swap

    Car is gone.......moot point.
  2. Will stock tune run on a mix of E85 and 93?

    I'll take the long way to work in the morning, the long way to the dealership and hot rod the car a bit. I'll top the car off with 93, flash the stock tune in after filling it and hope for the best.
  3. Will stock tune run on a mix of E85 and 93?

    I re-flashed the flex tune in, put the tuner in a sack in the glove box with a note explaining it's tuned, Lund's contact info and my name and phone number for questions. I also wrote on the outside of the sack, in plain view when you open the glove box, containing the tuner not to remove it...
  4. Will stock tune run on a mix of E85 and 93?

    Meh, it's not that important. I'll just leave a note in the bag with the tuner in the glove box. The new owner can contact Lund if necessary. I'm not really wanting to tell the dealer it's tuned before trading it in.
  5. Will stock tune run on a mix of E85 and 93?

    This is a 2020. I will literally be at half a tank when I fill it with 93 and want to flash the stock tune. Guess the tuner goes with the car. Fu*k.
  6. Will stock tune run on a mix of E85 and 93?

    Will a Lund tuned 5.0 returned back to the stock tune run without blowing up on a mix of 1/2 tank of E85 and 1/2 tank of 93?
  7. Steeda H or Borla switchfire X

    It is. Completely different sound with the SwitchFire. I had an h pipe initially. Sounded terrible....high pitched and raspy as all get out. With the SwitchFire the tone is nice and deep with zero drone nor rasp. Best of both worlds. This is with the OE active exhaust on my GT. Borla did their...
  8. 2019-up 4.09 Rear Gear Swap

    That's what I'm hoping for. Let's see how long the Lund E85R tune and gears appease me.
  9. 2019-up 4.09 Rear Gear Swap

    And I'm from Cali. :crackup:
  10. 2019-up 4.09 Rear Gear Swap

    I have developed a professional relationship with Finish Line Performance/Beefcake Racing in Milford. They do excellent work. I was quoted $1700 parts/labor plus tax. Of course I will have to add in $150 for the updates tune from Lund.
  11. 2019-up 4.09 Rear Gear Swap

    Sweet. Thank you for the confirmation.
  12. 2019-up 4.09 Rear Gear Swap

    The gears are going in my '20 GT 6 speed. Discussed with the installer. They asked for my Lund ticket number so they could get an updated tune from them to accompany the gear change. Anything else to look out for?
  13. What did you do to your S550 Mustang today?!

    I have also read you have to disable the BMS with Forscan as it does not play well with Li batteries.
  14. Vertical Links Question

    Boomba has them in red. I run them (in black). They make great products. https://www.boombaracing.com/s550-mustang-vertical-links/
  15. What did you do to your S550 Mustang today?!

    The left over mounting studs for those that have removed the engine cover.
  16. What did you do to your S550 Mustang today?!

    Nice.....Fat Bob and Roadster.
  17. SWAY BARS? Which ones...........

    For the price I was considering going with the rear GT350R bar.


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