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  1. Whipple Calibration On Hold

    The way I understand it is they had the blower installed on Tuesday and the hold came down on Wednesday. I understand how the warranty works through Whipple but I would like to know the details of what Ford’s reasoning is before I do anything. This is Lebanon Ford Performance shop in Ohio. They...
  2. Whipple Calibration On Hold

    I own the vehicle. I have technically taken delivery even though I haven’t driven it home yet. With Ford holding the car because of tuning I’m pretty sure I would be going around their current protocol and recommendation which most likely means the warranty would be voided. The whole reason I...
  3. Whipple Calibration On Hold

    Whipple’s response is that the hold has been initiated by Ford. I now have an email for support from Ford Performance.
  4. Whipple Calibration On Hold

    I was informed today by my local Ford dealer installing my supercharger that the Whipple calibration was being put on hold. Basically the service tech who installed my blower said that they aren’t allowed to tune the car with the Whipple calibration. He had no other information other than we had...
  5. Tire Size fitment suggestions?

    I get it. What does Jack Roush know about mustangs anyway? 285 would probably be ok but not with that offset. Maybe with some negative camber adjustment but I doubt he has that option as he only stated a wheel package in the post. Why would you only want a couple mm’s of safety clearance. My...
  6. Tire Size fitment suggestions?

    Roush has a good video explaining what will fit without rubbing. 275 front and 305 rear is the widest that will fit without modification. You may have some issue with the front width at 11”.





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