XJ6 & XJ12 Series I, II & III 1968-1992

Widest tire i can fit?

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Old Jan 25, 2016 | 11:19 PM
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Default Widest tire i can fit?

Hi there!

quick question, what is the widest tire i can fit on the car? the back has about a 2 inch fender flare and the front is stock. the rims have an offset of +20 and -6 front and rear and are 15x7 all around. I was thinking of a 235/60/15 in the front and a 245/60/15 rear? would that theoretically work?
 
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Old Jan 27, 2016 | 08:55 AM
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Widest tyre on standard rims was 235 if I'm correct.
 
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Old Jan 27, 2016 | 05:05 PM
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run on rears 295-35-18,, frt 275-35-18.

works for me!
 
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Old Jan 27, 2016 | 08:43 PM
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im going to go ahead with the sizes i thought would fit and report back here
 
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Old Jan 29, 2016 | 12:15 AM
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I can tell you that I've run a 315/30/18 Goodyear on the back of my car, but they will curiously rub the inside sidewall when the suspension compresses. Although on a smooth curvy road the holding and ride was phenomenal.
 
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Old Jan 29, 2016 | 09:24 AM
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Originally Posted by ronbros
run on rears 295-35-18,, frt 275-35-18.

works for me!
What exact car...no way a 295 is fitting the rear of a sedan with out modifications.
 

Last edited by icsamerica; Jan 29, 2016 at 09:29 AM.
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Old Jan 29, 2016 | 09:28 AM
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Originally Posted by Mr.Hotrod
I can tell you that I've run a 315/30/18 Goodyear on the back of my car, but they will curiously rub the inside sidewall when the suspension compresses. Although on a smooth curvy road the holding and ride was phenomenal.
A tire with an 11.5 inch section with on a sedan? No surprise it rubs.
 
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Old Jan 29, 2016 | 10:40 AM
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Originally Posted by icsamerica
A tire with an 11.5 inch section with on a sedan? No surprise it rubs.
In all fairness the question asked the widest tire one could run. Assuming the roads one runs on aren't terrible those tires were not hard to run. It took quite the jolt to make them rub. If they fixed the roads here in Indiana I would run them again.
 
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Old Jan 30, 2016 | 06:48 PM
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I dont want to run a crazy wide tire in the back, it is only a 15x7 spaced out 1.25 inches, 245/255 is the widest i think ill go
 
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Old Jan 30, 2016 | 08:45 PM
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Originally Posted by sunchip
I dont want to run a crazy wide tire in the back, it is only a 15x7 spaced out 1.25 inches, 245/255 is the widest i think ill go

A wider tires needs a wider rim and with a 7 inch rim i'd run nothing more than a 225. If the rim is too narrow for the tire it creates un-predicible and loose handling. So the question should be...Whats the widest tire I can run with a 7 inch rim.
 
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Old Jan 30, 2016 | 10:28 PM
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Originally Posted by icsamerica
A wider tires needs a wider rim and with a 7 inch rim i'd run nothing more than a 225. If the rim is too narrow for the tire it creates un-predicible and loose handling. So the question should be...Whats the widest tire I can run with a 7 inch rim.
Gordian Knot solution!!
 
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Old Jan 31, 2016 | 10:18 AM
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Originally Posted by icsamerica
What exact car...no way a 295 is fitting the rear of a sedan with out modifications.
.

no rub as far as i can tell, altho camber is a bit much on hard acelleration!
pic enclosed.
 
Attached Thumbnails Widest tire i can fit?-jag-rodstr-001.jpg   Widest tire i can fit?-jag-rodstr-002.jpg  
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