New rims

[compprep]

+22 offset will most likely poke quite a bit, esp the back.

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[MAGS1]

My mechanic had ordered 305/35/19 for the rears and 265/35/19 for the front so I’m curious how that is going to look I didn’t do wider wheels in the back because I was on a budget and this was the best pair I found

On this mustang

I agree with others, don’t do a 305 on a 9.5. They won’t fit properly. Check out SVE wheels on LMR.com. They’re only $200 more for a set and you can get a staggered set so that you can run the 305’s in the rear. They’re made specifically for these cars too so the offsets are correct and you won’t need hub rings (you’ll need hub rings for those eBay wheels as they’re 73.1mm hub bore, the Mustang is 70.5/70.6mm).

 

[MAGS1]

https://lmr.com/products/2015-Mustang-Wheels

 

[Zrussian13]

Get a new mechanic.

 

[AZlb5.0]

With a +22 offset with a 275 or wider tire you’re definitely going to rub with anything else then stock height. That’s not taking into consideration the hub bore size which is a whole different conversation. OP you need to rethink the wheel choice and the mechanic. He’s setting you up for failure.

 

[Biggus Dickus]

If you go 275, you may want to go 275/40 instead of 275/35. But I also agree that you HAVE to get the offsets just right

 

[Dave2013M3]

Those aren't even Mustang offsets. A 22mm offset will protrude out by 10mm past the fender of what a 19X11 ET50 wheel. A 19X11 50mm offset wheel on the Mustang is right at the edge of the quarter panel. Your mechanic is wrong. In fact most shops won't even install a 305 on a 9.5" wheel as the minimum is a 10" wide wheel.

Here is my car with 19X10 et35 and 19X11 et50 with 285/35/19 and 305/35/19. These are right at the end of the.

 

[Skye]

Agree with others. I'd hit the pause button on the order and seek out a new mechanic. Sit down with the new shop and discuss what you're trying to accomplish.

One common option for Mustangs is a 19x10, +35 offset, 285/35/19, square. Simply bolt them on.

Another option is to go wider still in the rear. The rear will take a 19x11, +52 offset, with a 315 series tires. I don't have a specific recommendation. I'm just using this as one example of many and to show how incorrect a +22 offset, especially on the rear, is.

For now, pause and rethink. You have tons of options to choose from. I'd 1) study them more while 2) finding another shop and 3) receiving additional feedback from members here.

a. Determine the size and type of tire you can/should run, front and rear, to meet your need and application.

b. Find the optimum rim size to support the tire, focusing on width and offset, which does not interfere with the car's suspension and body.

c. Buy a rim in that size (diameter, width, offset) , that meets your budget and style.

d. Attain a set of lugs which will support the existing suspension and new rim. Sometimes, makers will include a new set of lugs. Others will give you recommendations. You might be able to use the existing lugs. You might not. Check with the rim maker.

e. Attach the new rims, using the recommended torque specifications. Check the owners manual for your model and year. Confirm with the rim maker that is acceptable, or, ask them what their torque spec is.

 

[Dark Side]

As big as the tire shop is willing to stick on there. A 9.5 might be good for most 255/265's.

The HPP's with handling package came from the factory with 9.5s / 265s and the 275 fit without issue from prior reading.

 

[WItoTX]

Definitely going to be a lot of performance, suspension travel, and fenders sacrificed. Good luck OP.

 

[WItoTX]

The HPP's with handling package came from the factory with 9.5s / 265s and the 275 fit without issue from prior reading.

Yeah, it really just depends. Certain 265's are narrower than others. I don't know the specific tire they come with, but I'd bet it's relatively close to a 9.5" contact patch, maybe slightly wider so it bulges, which would get a smoother ride. But the wider you go beyond rim width, the more you sacrifice turn in and responsiveness. Basically it makes the car feel more like a land yacht.

 

[Dark Side]

Yeah, it really just depends. Certain 265's are narrower than others. I don't know the specific tire they come with, but I'd bet it's relatively close to a 9.5" contact patch, maybe slightly wider so it bulges, which would get a smoother ride. But the wider you go beyond rim width, the more you sacrifice turn in and responsiveness. Basically it makes the car feel more like a land yacht.

I'm aware of both the potential size differences between different tire manufactures and the performance fluctuations given different tire width, and ratios. Thats why i only quoted specific info to one vehicle which just happened to have the same width of wheel the OP was looking at. Figured he could use it as a springboard to find out more info.

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