67 GTO rear tires - Pontiac GTO Forum
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post #1 of 12 (permalink) Old 12-05-2011, 11:23 AM Thread Starter
 
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67 GTO rear tires

Does anybody know if 225/70/15's will fit on the rear?

Thanks
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post #2 of 12 (permalink) Old 12-05-2011, 11:48 AM
 
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225/70/15 = Tire Diameter: 27.40 in
205/75/15 = Tire Diameter: 27.00 in

Only thing I can say is that #2 fit's fine and your 225/70 are just a little bit higher and should fit! (the width isn't a problem with 225's)
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post #3 of 12 (permalink) Old 12-05-2011, 02:03 PM
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I have 225/70R15's on 15x7 Rally 1 wheels with 1" drop springs and I have no problems front or rear. I agree with Chris the width isn't a problem but watch the backspacing.

Randy


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post #4 of 12 (permalink) Old 12-05-2011, 03:43 PM
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I am running 225/70/15 on the back of my '65 GTO, on repop rally one rims also. The car is stock height, and no clearance problems at all. As stated, it's all in the backspacing of the rims. I have run 12" slicks on this car without issue, too, but the rims had a ton of backspacing.
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post #5 of 12 (permalink) Old 12-05-2011, 04:02 PM Thread Starter
 
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Thanks for all the input. I should have mentioned I have Rally II wheels. Will I have back spacing issues?

Its too long of a story on why I own new 225 70 15's that I cant return.

thanks
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post #6 of 12 (permalink) Old 12-05-2011, 04:53 PM
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They will fit just fine with your Rally II's.
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post #7 of 12 (permalink) Old 12-05-2011, 05:07 PM Thread Starter
 
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thanks again
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post #8 of 12 (permalink) Old 12-05-2011, 05:39 PM
 
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Whats the size of the Rally2?
I have a non-original rally2 rim in the trunk that has 7x15" with 4,25" BS. If that is the same size as original I think you can use up to 245's and the diameter can be as high as about 28". No real matter if lowered or not on the rear! (maybe it's an issue on the front..)
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post #9 of 12 (permalink) Old 12-05-2011, 05:59 PM
 
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235's front and 245's rear....only issue i had was when springs were brand new the front lower tip of the wheel well would scrape front tires when i cut hard parking, since the springs settled in (lowered a bit) its gone away as the lip is not at the widest circumference of the tire now, but a bit lower.

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post #10 of 12 (permalink) Old 12-06-2011, 08:01 AM
 
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I have that size on cragers on the back of my 67. Had to go one size smaller for the front. I have standard size shocks and springs all the way around.


67 Post Coupe,
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  Pontiac GTO Forum > The 1964-1974 Pontiac Tempest, Lemans & GTO > 1964-1974 Tempest, Lemans & GTO Wheels & Tires

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