OEM Body Panel Gap Measurements for the S650

[Notils]

Hi everyone,

I’m looking for some help regarding factory specifications for the 7th-generation Mustang. Does anyone happen to have access to the official data on acceptable body panel gap tolerances (fitment/clearance measurements) for the S650?

I’m trying to verify whether the gaps on my car are within factory limits and can’t find any detailed documentation.

Thanks in advance!

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[MAT1955]

@Notils ..... I don't have specifications for Mustang gaps but the gaps on North American cars are usually wider than on European cars which concerns Europeans when they see the gaps. Do you have a picture or a mm measure?

 

[Neggytive]

It's a Ford, it is not a high end precision assembled car.

Compared to the crap every manufacturer put out for decades, these things are great.

Unibody cars, better dies and stampings, robotic welding and a couple of other things have really improved things.

I would say they are looking for 1/8" panel gap where the panels are straight and parallel

On my car where the fenders curve in over the headlights and where on the ragtop the trunk lid curves inward at the roof and in both cases it was both sides those areas were a C hair tighter than the surrounding area, but it was not something you would look at and go hey the fit and finish on this car sucks, it is not noticeable to the naked eye.

I'm sure the QA guys have a nice nylon GO/NO GO guage they just slide into the gaps to verify the gaps

In my world, I use a wooden paint stick/stirrer

They are normally about 1/8"

IMHO it should drop in or be snug, you should not have to force it in, and you should not be able to get a significant amount of movement if you try to twist it.

All the panel gaps should be uniform 1/8 of an inch plus or minus a 1/4 C hair where they run straight and at the ends of the hood and trunk, which are the only places where the body lines are not straight there should be minimal almost undetectable differences in the gap.

Now that being said, the signs that something is wrong are pretty easy to spot

The gap along the back of the hood should be very uniform, that adjustment helps set the position of the whole nose. Along the sides of the hood, except for the area where the fenders roll in at the headlights should be uniform, plus or minus that 1/4C Hair down both sides. The gap should not be noticeably larger on one side than the other.

The fit between the edge of the hood and the top of the fender should be level with each other.

What I said for the hood also goes for the trunk lid, the gap across the back, the gap along the sides except for a small area where things are not straight should consistent along the line where the panels meet and evenly matched plus or minus that 1/4 C Hair on both sides.

Now the doors

Just like the back edge of the hood to the cowl sets the position of the nose, so does the door on either side.

Again same gap width top to bottom, even on both sides and the gaps on the front and back of the door where it meets the 1/4 panels and fenders should be uniform and parallel.

Now if I were training you as an Appraiser or a estimator, or even a body tech or frame tech I would point out to you that the relationship of the gaps to each other is a good visual indicator that the unibody might be damaged post accident

The gap between the front of the doors and fenders not being the same side to side is indicative that the nose might be shifted or swayed.

The hood latching pin not dropping into the center of the hood lock, and the gaps on the fenders being wider in the back than the front especially if at the front corners one side is touching and the other is wide.

The doors not having nice even gaps on the front, back, the door jumping when it touches the striker ( think old Camaro's with long heavy doors where the hinges used to wear and the doors hung low at the back) are an indication something isn't right. You will know if there is a problem if the top rear of the door where it meets the 1/4 panel isn't meeting at the same spot. On a car with a body or character line down the side you want those lines to mate up perfectly. If the bottom of the door is not even and consistent that is a problem too.

A modern unitized body car is a jigsaw puzzle and all the pieces should be nice and even and you shouldn't have to muscle anything into place.

But for the novice car owner, the paint stick trick is really easy to do plus eyeballing the relationship of the panels to each other.

If you watch any of the high end restoration car shows on TV you can see them setting gaps with paint sticks, short of specialty go/no gauges they are the best and simplest method of establishing even gaps

There is more to this, especially with aftermarket panels in the repair/restoration realm which would take me a long time to explain, but I can keep it short by saying all aftermarket panels are garbage and need hours of work to get gaps to be right and things to fit flush.

Sorry for another long winded response

 

[LouG]

Unless they're huge, I don't care about panel gaps. I care about things working properly. And so far, the Mustang is one of the best I've owned.
And, I still can't understand how Ford can get their infotainment systems to work well, and bloody VAG can't.

 

[steveo1960]

Unless they're huge, I don't care about panel gaps. I care about things working properly. And so far, the Mustang is one of the best I've owned.
And, I still can't understand how Ford can get their infotaiment systems to work well, and bloody VAG can't.

Tell me about VAG.... Wife has a 24 Atlas, nice SUV, but the infotainment center is a cluster%$%$%.

One example is to turn something ON, you touch the icon and it turns blue, indicating that feature is ON. Except for the climate control system where if the On button is blue, the system is OFF.... Wacky....

As for panel gaps, I remember when Tesla began shipping cars and not only were the gaps huge, but the body panels were out of alignment as well. They are much better these days... I have gap between the bottom of the headlight and the bumper fascia on the driver's side only. Doesn't bother me as other gaps are not bad at all.

 

[MAT1955]

My 2024 GT premium convertible was built in September 2024. The only issue I had and it was minor was I had to adjust the two adjustable stops for the trunk lid as it closed too tight and the paint was getting marked at the outer edge of each trunk to body contact point. Again, minor.

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