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Joined: Nov 2014
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is the back spacing the same for the front and back?? I have 275 60 15 on the back and 215 70 15 on the front and they still rub when I turn left... ??? all four rims are the same
1967 firebird
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Joined: Aug 2002
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Same BS front and back. Could be many reasons but mostly the car was never designed to run tires that wide in the first place. On top of that they never came with 15" wheels either. They rub because the wheels and tires aren't made to fit on your car.
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Joined: Dec 2007
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Same BS front and back. Could be many reasons but mostly the car was never designed to run tires that wide in the first place. On top of that they never came with 15" wheels either. They rub because the wheels and tires aren't made to fit on your car. x2
I used to be indecisive. Now I'm not sure. I feel like I am diagonally parked in a parallel universe. 1968 400 convertible (Scarlet) 1976 T/A - 455 LE (No Burt) 1976 T/A New baby, starting full restoration. 1968 350 - 4 speed 'vert - 400 clone (the Beast!) 1968 350 convertible - Wife's car now- 400 clone (Aleutian Blue) (Blue Angel) 2008 Durango - DD 2008 GXP - New one from NH is AWESOME! 2017 Durango Citadel - Modern is nice! HEMI is amazing! 1998 Silverado Z71 - Father-daughter project 1968 400 coupe - R/A clone (Blue Pearl) (sold) 1967 326 convertible - Sold  1980 T/A SE Bandit - Sold
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Joined: Jul 2003
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I just put 215-70-14 tires on stock R2's with no rubbing. That may be the biggest tires that will fit with no mods. I had 215-65-15's on repop R2's which looked great but rubbed when I had a passenger and hit a speed bump.
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Joined: Sep 2000
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What wheels do you have installed? The 215 70 15 is almost 27" in diameter
I have 15x8 Rally II's [all around] with 4.5" BS. The tires are 235 60R15's [26" dia] and they don't rub.
PeteJD
[69 400/400]
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Joined: Aug 2011
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I'm gonna sound real ignorant, but WTH is back spacing? You talking wheel spacer?
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Joined: Aug 2002
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Don't know till you know...it's the depth measurement from the bolt mounting surface to the tire bead lip on the back side of a rim.
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Joined: Nov 2014
Posts: 338
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Joined: Nov 2014
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What wheels do you have installed? The 215 70 15 is almost 27" in diameter
I have 15x8 Rally II's [all around] with 4.5" BS. The tires are 235 60R15's [26" dia] and they don't rub. keystone klassics.....15x8... 4.5 backspace.... I'm sure the QA1 control arms is the issue in some way.. I'm gonna go down one more tire size..
1967 firebird
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