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Thread: Largest 15" Tire Size

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    Icon5 Largest 15" Tire Size

    I'm looking to upgrade from 14" rims, what is the largest size tire I can fit on a 15" rim without rubbing?

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    Administrator 88hurstolds's Avatar
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    I have heard you can go as wide as 275's but I wouldn't count on it.
    I have BFG 255 60's in the rear and 235 60's in the front and have no issues with rubbing. I highly recommend this setup.

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    Quote Originally Posted by 88hurstolds View Post
    I have heard you can go as wide as 275's but I wouldn't count on it.
    I have BFG 255 60's in the rear and 235 60's in the front and have no issues with rubbing. I highly recommend this setup.

    Here is a picture of the stance:

    you can fit the 275's on there, what is out there of them, the '88 H/O's had 275's in the back. both myself and my boss are running 275's with the BFG drag radials, im on chrome olds 15x8 speciality wheels and he is on 15x8 weld rims. it might have to do with backspacing too.

    as said before, for daily driving you would be better off with 255's.

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    The 88 H/O's were not factory produced therefore they shouldn't be used as a basis as the size's and such are misleading. I believe I have used 255's mainly on my past G-Bodies.The best thing you can do is measure your backspacing and the footprint of the desired tire.You and make a cardboard template of the width and sidewall height then bolt on the wheel and move the template around the bare rimm looking for trouble spots.Hehe or just go with the majority vote here and use 255's

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    i used the H/O's as an example as they fit on there, does not matter if they were factory produced or not. any g-body was not produced with 255's either. just an example.

    as i stated before i am running 275-60 drag radials and i do not rub anywhere even on launch. backspacing is a must because you have to know how far from the quarter lip or the inner wheelhouse you are and need to be. good luck.

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    sorry I mistook your example but I took when you made the statement" the '88 H/O's came with 275's" you were meaning that the came produced that way.I am well aware of the fact that no G-Bodies came with 255's or 275's as I've owned about 8 of them in the past, and I hope too find what I am looking for soon except that I keep changing my mind LOL.Anyways goodluck with the tire search

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    olds Freak
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    Quote Originally Posted by gator2206 View Post
    sorry I mistook your example but I took when you made the statement" the '88 H/O's came with 275's" you were meaning that the came produced that way.I am well aware of the fact that no G-Bodies came with 255's or 275's as I've owned about 8 of them in the past, and I hope too find what I am looking for soon except that I keep changing my mind LOL.Anyways goodluck with the tire search
    no problem, all good.

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    I've seen someone with 295's before and thought they looked stupid, they stuck right out the wheel well and I bet they eventually became chewed up from rubbing.

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    if your nuts like me, you can get 295/50 in there, but they are close. the burnouts look cool though. i do love the 255 rear 235 front combo, looks perfect.

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    I only had a 245/60 on the back of my H/O but then again I only had 14" wheels on mine I love the wheels that the 79 H/O's had

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    Quote Originally Posted by ralph442 View Post
    if your nuts like me, you can get 295/50 in there, but they are close. the burnouts look cool though. i do love the 255 rear 235 front combo, looks perfect.
    They must have been 305's or something along those lines... they stuck out really far and I have no idea how he kept them from getting chewed up by the wheel wells...

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    depends on the backspacing & wheel width. i have 295/50 on some older ultra 15x8 on my 86. the actually clear well. i do have 1 inch alum spacers in the rear. i only put them on cuz they were almost new & matched the front.

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    I am running a 255 60 15 tireon my 86 MCSS. I used to run the same on my 83 Cutlass

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    i have a ran the 255s on my cars without issuses

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    I ran 275's for years. I rolled the inside lip on the wheel well and had no problem. One thing if you have someone real heavy have them set up front and if they won't set up front make sure they are behind the driver because you will scar your tire if you don't

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    after reading all the post I have an old slot rim 15x8 with a 255/60 mounted on it a stuck it on my 79 Cutlass, there is still a lot of room in the wheel well. Everyday driving will be ok. And from the pic from the beginning of this post that combo really is cool...:icon14:

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    I have gone back and forth on this for years on my 88 Cutlass. The tires just do not fill the wheel wells. Currently I am running 215 60 14s all the way around. Still not tall enough. I would like to have 15 inch wheels and have found some for about $130.00 new, but I just dont want to go too big. The problem is at least for me is that the tires are not tall enough. Next time I will go with 215 70 14s.

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    Default Just my luck!!!

    Got my 15" chrome rally wheels today from specialty wheel and have been searching for Goodrich 235/60/15 tires only to find out they have been discontinued. I liked the way they look on your car 88. So now I have to find another tire with raised white lettering. I found Goodyear Eagle GT II but there $40.00 more per tire.

    I'm trying to go as wide as I can without any rub and figure the 235 was a safe bet. Is it possible to go wider on an 87 Salon?

    LJAM

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    Administrator 88hurstolds's Avatar
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    Im running 235 60 15 on the fronts and 255 60 15 on the backs on my 83 Hurst with no problems.
    My 87 442 has 255 50 15s all around with no issues as well.
    It sucks that they discontinued BFG 15s, im sure if enough people complain they'll reissue them...
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    1987 442 LJAM's Avatar
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    Well I found out the BFG's arn't discontinued but are just on a long backorder. I spoke to a person at Tire Rack and they are getting a shipment in next week that was on a 6 month backorder. It sucks having to pay the extra shipping but this looks like the only way to get them. I also found out that the Firestone FireHawk Indy 500's are on back order and the dealers can't say when they'll be getting them in from Mexico.

    Personally I like the looks of the Goodrich tire, and on a new set of SSIII's they should look really nice!!!!!

    LJAM

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