Suspension and Chassis Questions about your suspension? Need chassis advice?

245's up front. will they rub?

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Old Apr 21, 2003 | 01:13 PM
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85_ZED28's Avatar
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From: St Catharines, ON
Car: '85 Z28
Engine: 350
Transmission: T5
Axle/Gears: 3.23
245's up front. will they rub?

just as the subject says, will there be any rubbing with 245/60/15's on the front?

thanks
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Old Apr 21, 2003 | 01:28 PM
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Cruzin Kaz's Avatar
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From: Welland, Ontario, Canada
Car: 85 Monte Carlo SS...
Engine: T.P.I L98.
Transmission: TH350
Axle/Gears: 3:73 Posi
They shouldn't Colin.. Most Iroc's etc. with the 16" rims came factory with 245/50/16....Lots of room.
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Old Apr 21, 2003 | 01:41 PM
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85_ZED28's Avatar
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From: St Catharines, ON
Car: '85 Z28
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lol oh ya, good call
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Old Apr 21, 2003 | 01:42 PM
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Cruzin Kaz's Avatar
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From: Welland, Ontario, Canada
Car: 85 Monte Carlo SS...
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Transmission: TH350
Axle/Gears: 3:73 Posi
LOL!! It's OK..I'll let you go this time..Next time it's gonna cost ya...
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Old Apr 21, 2003 | 02:22 PM
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82camaro's Avatar
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Car: 82 camaro SC
Engine: 350
Transmission: 700r4
245/60R15's are taller and will probably rub. Mine rubbed hard with 245/60/R15's, not at all with 245/45R16's I have now. You can use the 245/60R15's, just don't crank the wheel. Or use 235/60R15's.
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Old Apr 21, 2003 | 02:25 PM
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85_ZED28's Avatar
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From: St Catharines, ON
Car: '85 Z28
Engine: 350
Transmission: T5
Axle/Gears: 3.23
i was thinking of going with 235's in the front, gotta make a decision soon!
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Old Apr 21, 2003 | 02:33 PM
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245/50R16 and 245/60R15 tires are virtually identical in height, less then a tenth of an inch difference. If you were rubbing with 245/50R16s then there was a problem somewhere else. These were an OEM tire size and I get no rubbing on my GTA at all. Perhaps the wrong wheel offset if you didn't go with an OEM 16 inch wheel. On third gens the offsets are different between the front and rear wheels. Rear wheels will rub if put on the front (Tire warehouse did this to me a few years ago.)

Basically the proper wheel offset is critical for properly fitting a 245 tire on your car. Whether OEM 15 inch wheels have the necessary offset for a 245/60R15 tire is the question that needs to be answered.
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Old Apr 21, 2003 | 07:40 PM
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From: Stouffville, Ontario
Car: 83WS6TA
Engine: ZZ4
Transmission: TH350C
Axle/Gears: 3:23
275-40-17 on the front of my 83TA - needed 5/16 spacers to clear the tie rod - very little rubbing - not enough to worry about.

Edit - had 235 -- 15s on there before - not rubbing at all.

Last edited by George; Apr 21, 2003 at 07:43 PM.
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Old Apr 21, 2003 | 08:36 PM
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From: NE
Car: 82 camaro SC
Engine: 350
Transmission: 700r4


245/60R15's are 1 inch higher than 245/50R16's.
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Old Apr 21, 2003 | 09:18 PM
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George's Avatar
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From: Stouffville, Ontario
Car: 83WS6TA
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Axle/Gears: 3:23
Correct - wheels would be 26.6" and 25.6" respectively.
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Old Apr 22, 2003 | 10:00 AM
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I stand corrected. I must have made a calculation error initially. 245/60R15s are 1 inch higher then 245/50R16s. Sorry for the misinformation earlier. And thanks for the corrections fellas.
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Old Dec 12, 2003 | 11:39 PM
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From: Orlando, FL
Car: 1991 Pontiac Trans Am
Engine: 350 TPI
Transmission: Borg Warner T-5
im runnin 235-60-15 on the front and they rub.....i can't make a u-turn w/o them rubbin.
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Old Dec 13, 2003 | 08:26 AM
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From: I said that when I was sober...ish
Car: 1985 Mustang GT
Engine: hamsters
Transmission: a hamster wheel
Originally posted by F-Bodeee
im runnin 235-60-15 on the front and they rub.....i can't make a u-turn w/o them rubbin.
yep, me too
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Old Dec 13, 2003 | 02:36 PM
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From: Orlando, FL
Car: 1991 Pontiac Trans Am
Engine: 350 TPI
Transmission: Borg Warner T-5
today i cut out around where it rubs on the drivers side and i took out the little plastic piece and the wheel turns fully now
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Old Dec 15, 2003 | 05:24 AM
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From: Edinburgh, Scotland
Car: 1985 Chevy Camaro IROC-Z
Engine: 350ci from 79camaro
Transmission: 5 speed manual on lsd
If you need to calculate the tyre diameter then the following www page is neat :

http://www.net-comber.com/tirecalc.html

Si.
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Old Dec 15, 2003 | 10:34 AM
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From: Chesterfield, Indiana
Car: 1991 Z28 Camaro
Engine: 5.7
Transmission: Jasper 700R4 Stage II
Axle/Gears: 3.23 For Now
I'm running 275's (all around) and they don't rub at all....
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