Rear tire size

[Ken H.]

I don't think that is it... stock cars with square setup have same size tires front and rear (no angle)... yet the GT PP has much taller rear tires (0.7") and no problem with radar angle. My car is 0.8" difference, no problem.

Has anyone with this "bad angle" issue actually tried setting the proper rear tire size in the PCM? That is the more likely issue...

The Ford service rep said the Ford engineers said it was the angle. They didn’t say it was the diameter/revolutions per minute set in the PCM. Also didn’t offer changing that setting in the PCM as a solution. I think the angle info is probably set by the factory for the individual Mustang models/setups (my speculation).
Could be wrong. It’s possible that it’s the tire diameter setting in the PCM. I, too, would be interested if any DH owners had this problem & solved it by changing the setting.

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[Sofa King]

The Ford service rep said the Ford engineers said it was the angle. They didn’t say it was the diameter/revolutions per minute set in the PCM. Also didn’t offer changing that setting in the PCM as a solution. I think the angle info is probably set by the factory for the individual Mustang models/setups (my speculation).
Could be wrong. It’s possible that it’s the tire diameter setting in the PCM. I, too, would be interested if any DH owners had this problem & solved it by changing the setting.

For a little further info... my car came with a squre setup (no angle), and now has the 0.8" larger in the rear... I did set the tire size in the PCM for my current tires.

 

[A.alansari]

The Ford service rep said the Ford engineers said it was the angle. They didn’t say it was the diameter/revolutions per minute set in the PCM. Also didn’t offer changing that setting in the PCM as a solution. I think the angle info is probably set by the factory for the individual Mustang models/setups (my speculation).
Could be wrong. It’s possible that it’s the tire diameter setting in the PCM. I, too, would be interested if any DH owners had this problem & solved it by changing the setting.

Isn't the DH HP lower than a gt ? Maybe that will explain the camera Angle thing

 

[Ken H.]

For a little further info... my car came with a squre setup (no angle), and now has the 0.8" larger in the rear... I did set the tire size in the PCM for my current tires.

I think the “angle” isn’t just from different front & rear tire diameters. It’s from the camera in the windshield looking down at the road. So, square setup still has an angle.

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