69' GTO 17" Rally II tires choices - Pontiac GTO Forum
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post #1 of 8 (permalink) Old 05-30-2015, 01:50 PM Thread Starter
 
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69' GTO 17" Rally II tires choices

Hi everyone,

I will be receiving the Year One 17" Rally II with 17 x 9 rear and 17 x 8 front. My tire dealer recommended either 225/45 front and 255/40 rear OR 245/45 front and 275/40 rear. I like either the BF Goodrich G-force or Nitto (NT05 or NT555).

Which would you choose? I have a bored out 400 to about 460 with stroker and performance parts....need more rubber on the rear wheels and my 14"s are not cutting it. I don't want to roll the wheel well and I am leaning towards the 275 but don't want rubbing....

Thanks!
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post #2 of 8 (permalink) Old 05-31-2015, 06:14 AM
 
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gto tires size

255 50 or 55 17 tires looks very nice to me
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post #3 of 8 (permalink) Old 05-31-2015, 11:29 AM Thread Starter
 
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Looks beautiful. Sounds like you have no issues with rubbing at that size.
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post #4 of 8 (permalink) Old 06-01-2015, 10:30 AM
 
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We have the same wheels on my sons 68.
9 on rear and 8s on the front.
On the rear we have 255/50s no problems there.
We where concerned about rubbing on the front with the 255 so we went with 235/50 on the front.
The front rubbed a little only in reverse when cracking the wheel sharp.
We later installed Willwood dynalite discs brakes on the front and the rubbing went away. The Willwoods set the wheel out about a 1/4" further then stock.
I would have thought the tires would rub worse after installing the Willwoods but instead it fixed the rubbing issue





Bill
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post #5 of 8 (permalink) Old 06-05-2015, 09:33 AM Thread Starter
 
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Wow looks great! I am surprised the 235/50 rubbed. I was really leaning towards 275 rear and wondered if anyone had experience with that...
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post #6 of 8 (permalink) Old 06-10-2015, 06:03 PM
 
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I have 17x9 in back with 275 and 17x8 upfront with 245. No issues here
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1970 GTO 455
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post #7 of 8 (permalink) Old 05-04-2016, 05:13 PM
 
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What are the backspacing on those (front and rear) ml3126?
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post #8 of 8 (permalink) Old 11-13-2016, 01:56 PM
 
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Tire manufacture

Bondobill... who is your son's tire manufacture?
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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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