275/60-15 on 15x7”

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275/60-15 on 15x7” Empty 275/60-15 on 15x7”

Post by marx3 on Tue Aug 07, 2018 1:26 pm

Does anyone have this tire size on a 7” side rim?
I’d like to see pictures of this setup. Will it look lame or will it look tall ballony and nascar-like ?
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Post by bracketchev1221 on Tue Aug 07, 2018 2:09 pm

275/60-15 on 15x7” Malibu_zpsc4ltulsb

Its not optimum but you can get a way with it.  You are looking at almost a 9" tread so it will have a little extra bulge in the sidewall but not bad.  I run 8" wheels with my 275/60-15's.
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Post by marx3 on Tue Aug 07, 2018 2:31 pm

Yeah I was thinking about the tires flexing etc when taking turns. It might feel a bit wobbly.
I gotta hit that nascar bulge. Extra extra fat.
:-)
275/60 don’t look that fat on an 8” rim I think :-)
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Post by Iguy on Tue Aug 07, 2018 3:48 pm

I can take pictures of just the wheels later, they're stacked in my garage (for sale if you are interested).  This is the only pic I have with that setup, sorry it's not going to show the bulge of the tire but it's not like a balloon.  The trim ring hides it a little since it sticks out from the rim.  Back tires are 275/60 and front tires are 245/60. I couldn't tell you if it made the car wobbly because I ran those with stock suspension so the whole car handled like a cruise ship anyway.

275/60-15 on 15x7” Side110
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Post by marx3 on Tue Aug 07, 2018 11:29 pm

Awesome, I’d be very thankful if you could show me a couple of pictures.

Mine has stock suspension too, so I probably won’t notice either then :-)

I’m in Denmark, Europe so I better find a set of rims locally :-)
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Post by thatfnthing on Wed Aug 08, 2018 9:05 am

bracketchev1221 wrote:You are looking at almost a 9" tread ...

This will vary by tire brand/model. 254mm = 10 inches, so theoretically 275 should be 10.83 inches. However, that's nominal. IRL it's all over the place. My Nitto 275's have 9.75" tread width.
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Post by fasrnur on Thu Aug 09, 2018 3:14 pm

Iguy wrote:I can take pictures of just the wheels later, they're stacked in my garage (for sale if you are interested).  This is the only pic I have with that setup, sorry it's not going to show the bulge of the tire but it's not like a balloon.  The trim ring hides it a little since it sticks out from the rim.  Back tires are 275/60 and front tires are 245/60. I couldn't tell you if it made the car wobbly because I ran those with stock suspension so the whole car handled like a cruise ship anyway.

275/60-15 on 15x7” Side110

Mine use to handle the same way until I put some nice sway bars on it.
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Post by clanceman427 on Fri Aug 10, 2018 3:03 pm

Here is my stock suspension (original springs) with 275-60 R15 tires on 15x7 Cragars. To me it is balloony but I like that look Very Happy275/60-15 on 15x7” Imag1310
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Post by Joe73 on Fri Aug 10, 2018 3:14 pm

275/60 on an 8.5" centerline.  I like the look of them on a 7" rim with the bulge.  Mine are too straight sided.  Wish the auto drags came in a 5.5" or 6" back space.  

275/60-15 on 15x7” Rear_r10
275/60-15 on 15x7” Rear_r11
275/60-15 on 15x7” Rear_r12
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Post by marx3 on Fri Aug 10, 2018 4:14 pm

clanceman427 wrote:Here is my stock suspension (original springs) with 275-60 R15 tires on 15x7 Cragars.  To me it is balloony but I like that look Very Happy275/60-15 on 15x7” Imag1310

I totally dig the puffy look of that rear wheel!!!
I think it is settled: I need 7” wheels for my nascar tribute!275/60-15 on 15x7” 22052010
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Post by alowerlevel on Sun Aug 12, 2018 1:49 am

I know what look your going for, and you may be better off with 295/50's on 15x8's

Heres some crappy pics of some 275's

275/60 BFG's on a 15x8
275/60-15 on 15x7” 2016-011

And 275/60 Nitto drag radials on 15x10s
275/60-15 on 15x7” 2018-020
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Post by marx3 on Sun Aug 12, 2018 2:06 am

I already got the tires :-)
275/60 is about the only size of wide and tall tire, that is cheap because it can be had without raised white letters.
I got some letters from tredwear. Looks nice
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Post by alowerlevel on Sun Aug 12, 2018 2:18 am

Nice, looking forward to some pics to see how it turns out ..   GoFast
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Post by marx3 on Sun Aug 12, 2018 5:51 am

I dug up a set of 15x7 rallies from the early 70’s.
They are really cheap so if the BS works I’ll start out with Steelers instead of Aero’s.
Progress is slow at the moment, but I’ll be sure to update my build thread
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Post by marx3 on Sat Sep 22, 2018 2:34 am

What backspacing should a 15x8" rims have, to fit with 275/60's ?
May have found a set of 15x8 slot mags. Those would look really cool on a Monte I think.
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Post by Joe73 on Sat Sep 22, 2018 6:54 am

275/60 will easily fit an 8" rim.  Backspacing adjusts how the rim fits the vehicle (and the look).  Increasing backspacing will tuck the rim into the car more (deep dish look).  Decreasing the backspace will move the rim away from the vehicle.  

My 275/60 rollers are on a 8.5" rim with 4 7/8" backspace.  They will not hit the wheel well lip so the suspension can operate properly without jacking up the rear.  I do have almost 2 inches on the backside of the tire before it would touch the chassis.  So I could go to a 5.5" or 6" backspace to tuck the tire into the car a bit more if I like.  

275/60-15 on 15x7” Rear_r13
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Post by marx3 on Sat Sep 22, 2018 7:05 am

yeah, thats what I meant :-) bad english.
I want as deep looking rims as possible without having to touch the lip on the fender.
I have set of Aero nascar wheels in 15x8 with about 4" backspacing and with 275/60 tires, I have about 1/2" of clearance between the tire wall and the fender lip. I wanna lower the car a bit, to kinda resemble the nascar look. kinda...
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Post by Joe73 on Sat Sep 22, 2018 7:08 am

I'd recommend at least a 5" (5.5" better) backspace especially if your going to lower it. Right above the wheel well lip, the outer wheelhouse starts to curve inwards. Bigger backspace and lowering would help avoid rubbing on the wheelhouse.
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Post by marx3 on Sat Sep 22, 2018 9:38 am

Just checked... the Aero’s have about 3.75” from the rear of the center to the outside of the bead surface. Ain’t that how BS is measured?

On a Monte the wheel well goes straight up for about 6 inches before it starts to curve.
Don’t you think 4.25-4.5 BS would do?
I ain’t gonna slam the car, just lower it maybe 2”


Last edited by marx3 on Sat Sep 22, 2018 12:36 pm; edited 2 times in total
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Post by marx3 on Sat Sep 22, 2018 12:06 pm

This is the 15x8 with presumed backspacing of 3.75” and a 275/60
Stock suspension
75 Monte 275/60-15 on 15x7” 7914be10
275/60-15 on 15x7” Bc72d410
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Post by Joe73 on Sat Sep 22, 2018 12:42 pm

Me personally, since our cars have alot of room to work with, I think its too close. I'd shoot for 5" backspace. There are also variances in axle widths, most are 55" wide but I've seen 55 1/4" and 55 1/2" widths.
I'd take a wheel off and verify what backspace you have now and work from there.
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Post by marx3 on Sat Sep 22, 2018 1:18 pm

Measures like this says 3.75”

Yeah i guess you are right. I’d hate it if they rubbed

275/60-15 on 15x7” 87921910
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Post by Iguy on Mon Sep 24, 2018 8:51 am

Yeah that's pretty close. You could roll the fenders though and easily get a quarter inch or more.
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Post by marx3 on Mon Sep 24, 2018 10:35 am

I don’t wanna mess with the body on this car. It’s really straight. :-)
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Post by Iguy on Tue Sep 25, 2018 5:32 pm

Saw this on Instagram.275/60-15 on 15x7” Tropic10
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