how wide can i go on steelies?

Discussion on wheel & tire issues
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bvanbeest
Posts: 12
Joined: Thu Aug 11, 2016 4:05 am

how wide can i go on steelies?

Post by bvanbeest »

does anyone know the absolute widest tire I can throw on the rear with stock wheels without rubbing? any input would be greatly appreciated!
v8suprcapric
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Joined: Sun Mar 30, 2014 9:58 pm
Location: Seattle, WA

Re: how wide can i go on steelies?

Post by v8suprcapric »

Sorry for this somewhat non-answer...the widest tire that you can fit back there is a lot wider than the widest tire that you can put on an 8" rim (which as far as I've seen a tire shop mount according to "their policy" is a 255).
But perhaps S13REMI's thread on how he put 10" wide Corvette wheels with 305/30 on his PPV will help, or at least inform: viewtopic.php?t=1055
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1987 Landau (383 stroker, vortec heads, 700r4, posi rear, Bilstein shocks, Eibach springs, Bassett 15x8, BFGoodrich 275/60, 9C1 speedo)
2011 9C3 (K&N CAI, Weldcraft widened 18x9 factory steelies, Bridgestone 285/35)
S13REMI
Posts: 123
Joined: Sun Oct 11, 2015 11:59 am

Re: how wide can i go on steelies?

Post by S13REMI »

bvanbeest wrote:does anyone know the absolute widest tire I can throw on the rear with stock wheels without rubbing? any input would be greatly appreciated!
The wheel width would be the limiting factor first. Could probably squeeze a 275 on there. the sidewall will look a bit bubbled out since the wheel is only 8" wide, assuming you are refering to the rear
2012 CAPRICE 460WHP! NIGHT FURY CAM, LONG TUBES, OTR INTAKE, NEW ERA TUNE, COILOVERS, C6 Z06 WHEELS. (BIGGEST EVER ON A CAPRICE)
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OHURL
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Joined: Thu Jun 13, 2019 2:12 am

Re: how wide can i go on steelies?

Post by OHURL »

I know this is old but 275/??r18 would fit?
Ilikemtb999
Posts: 220
Joined: Wed Feb 06, 2019 11:49 pm

Re: how wide can i go on steelies?

Post by Ilikemtb999 »

I wouldn’t go any larger than 265/45/18 on stock wheels if you’re looking for any sort of handling and good tire wear. A friend had 275/40/18 drag radials on the back of his car if that helps.
119C3NJ
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Location: New Jersey exit 120 GSP

Re: how wide can i go on steelies?

Post by 119C3NJ »

I have 275 on stock wheel. It fits but as others said it is pinched on that width of a wheel.
2011 9C3 Caprice PPV Phantom Black
1995 MG5 Yukon GT Black
1993 Harley Davidson FLSTC Black
Ilikemtb999
Posts: 220
Joined: Wed Feb 06, 2019 11:49 pm

Re: how wide can i go on steelies?

Post by Ilikemtb999 »

275 what? Aspect ratio makes a big difference in a tire fitting vs not.
119C3NJ
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Joined: Thu Feb 07, 2019 4:53 pm
Location: New Jersey exit 120 GSP

Re: how wide can i go on steelies?

Post by 119C3NJ »

275 with 45 aspect ratio. Tried to stay close to stock height
2011 9C3 Caprice PPV Phantom Black
1995 MG5 Yukon GT Black
1993 Harley Davidson FLSTC Black
OHURL
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Joined: Thu Jun 13, 2019 2:12 am

Re: how wide can i go on steelies?

Post by OHURL »

And what are you getting to fit in the front?
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