[shaulr]

Doe’s anyone have 275/ /15 in the back
and 255/ /15 in front?

 

[Driveshaft]

As long as your asking about 275/60R15 in the back, and 255/60R15 in the front, then that works pretty well.

 

[shaulr]

As long as your asking about 275/60R15 in the back, and 255/60R15 in the front, then that works pretty well.

In this case the car will not be in the same level the back will be higher than the front.

 

[vettdrm]

the 275 is only 1 inch larger in diameter, you probably wouldn't notice. I don't.

 

[shaulr]

the 275 is only 1 inch larger in diameter, you probably wouldn't notice. I don't.

what is your tire size front and back?
is it a BF GOODRICH?

 

[Fred Mann]

In this case the car will not be in the same level the back will be higher than the front.

There's nothing wrong with that, it's called "rake". If you drive at any kind of high speed, you know that the front end lifts and the steering gets light. Keeping the nose down a little helps in this regard.

Do you have power steering? If not, that might make a difference in how wide a tire you run at the front.

 

[sozo13]

i recently went through to pain of shopping for new tires and wheels ..and read ALOT of posts regarding tire size
I heard most people say with the 275/60 15 they ended up needing the brake cable moved some claimed they got by without ....i went with 255/60 15 on 8 inch rims all the way around and i can say that my cable bracket is really close maybe 1/4-1/2 inch from the tire wall any closer and i would move it ...im guessing 275s would require mine to be moved

the front 255/60/15 is close on tight turns but no contact anywhere
the set up your talking about looks good to me on the cars I have seen with it ..if your cars stance is lower than normal ..they could have some close calls..so many factors can come into play when you are shootng for the thin line of filling the fenders,getting the most tire width,and rubbing stuff

here some pics of the fitment of BF goodrich radial T/A
255/60 15 ....8 inch rims 4 inch BS 1/4 inch spacers (spacers were not so much for the clearance of tires but my rims wanted to brush my brake calipers a little)

heres some numbers from a tire size calculator i used

Tire - 275/60R15 .......................Tire - 255/60R15

Section Width: 10.82 in.............. Section Width: 10.03 in

Rim Diameter: 15 in ....................Rim Diameter: 15 in

Rim Width Range: 7.5 - 9.5 in........Rim Width Range: 7 - 9 in

Overall Diameter: 27.99 in.............Overall Diameter: 27.04

Sidewall Height: 6.49 in................Sidewall Height: 6.02 in

Radius: 13.99 in......................... Radius: 13.52 in

Circumference: 87.93 in................Circumference: 84.94 in

Revs per Mile: 743.1 ....................Revs per Mile: 769.2

 

[shaulr]

There's nothing wrong with that, it's called "rake". If you drive at any kind of high speed, you know that the front end lifts and the steering gets light. Keeping the nose down a little helps in this regard.

Do you have power steering? If not, that might make a difference in how wide a tire you run at the front.

Today I have 255/60/15 all around I’m thinking of going to 255 in the front and 275 in the back
My problem is that if I buy 255/60/15 and 275/60/15 I’m afraid that the back of the car will be Higher than the front.
I do have P/S and P/B.

 

[shaulr]

the 275 is only 1 inch larger in diameter, you probably wouldn't notice. I don't.

do you have a pic of your vett from the side with the 275/60/15 and the 255/60/15?

 

[vettdrm]

As you can see there is not much difference in height with the 275. I like the 275 because it helps fill in the fender well a little better.The tires are Goodyear Eagle GT IIs. I don't care for the Goodrich.

 

[Fred Mann]

As you can see there is not much difference in height with the 275. I like the 275 because it helps fill in the fender well a little better.The tires are Goodyear Eagle GT IIs. I don't care for the Goodrich.

Great photo of a great looking car. :thumbsup:

 

[vettdrm]

Hey thanks Fred :cheers:

 

[VetteToy78]

Great photo of a great looking car. 👍
[/QUOTE

As you can see there is not much difference in height with the 275. I like the 275 because it helps fill in the fender well a little better.The tires are Goodyear Eagle GT IIs. I don't care for the Goodrich.

As you can see there is not much difference in height with the 275. I like the 275 because it helps fill in the fender well a little better.The tires are Goodyear Eagle GT IIs. I don't care for the Goodrich.

I was wondering do you have 275 all the way around or just on rear and did you have to modify anything

 

[Norm 1]

Welcome aboard!, Just a FYI, you need to see the date of the post you are replying to......... which is 12 years ago, you're probably not going to get an answer from that individual, hasn't been around since 2014.

 

[cole sweat]

Are your buying just the tires or wheels too?
I think 17” look real good, still had a little side wall
What year is your car?

 

[autowiz]

If we put 275mm wide tires on the back and only 255mm wide tires up front and we make the sidewalls the same percentage than there will always be a height discrepancy.

If we want to run 275mm width in the back and 255mm width in the front the tire sizes with the larger width should have a smaller percentage of sidewall height.

If we know the front tire size is supposed to be 255/60 R15 and we want to run 20mm wider tires in the rear but want to be correct in all our other dimensions and just add to the width we should find 275/55 R15 and the car will sit level and both tires will look the same from the side profile.

That pace car looks silly. I hope in all these years it found its way to a better tire selection.