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Caster Question

Albertcado

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Joined
Aug 19, 2020
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Location
SoCal
Vehicle(s)
2020 Mustang GT 6spd
Just got an alignment after getting my car back from the dealership after they put in a new short block. They had to remove the front subframe to work on the motor and when they put it back, it obviously wasn't 100% exactly where it was before so my front alignment (mostly caster and wheel position) got thrown off. Note: car suspension is stock and no suspension upgrades yet.

I noticed when I got the car back, driver side front wheel was now sitting slightly more forward in the fender well and passenger side was still perfectly centered as before. The front wheel gaps are now slightly different, but not by a huge difference and probably within tolerance. My bet is that the "new" position of the subframe pushed the driver side caster more positive which would explain that wheel now sitting more towards the front of the front bumper with a smaller wheel gap. My casters before I had the motor replaced were almost dead even at 6.7 / 6.6 on the last alignment reading. The picture below is the recent alignment (after replaced motor and subframe moved and put back) which shows the driver side caster more positive.

Is this caster difference acceptable and not worth any more trouble? My alignment shop says it's still a good and acceptable spec and the difference is still very small. Very few cars from the factory will have exactly matching caster and as long as the alignment is good then I shouldn't worry...

Should I just drive it as it is instead of trying to get the front subframe adjusted to bring that driver side caster back and wheel more centered?



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