New Tires and Rims for 1965 GTO - Pontiac GTO Forum
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post #1 of 13 (permalink) Old 10-23-2014, 04:43 PM Thread Starter
 
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New Tires and Rims for 1965 GTO

I am getting 15x7 Ralley 1 rims for the GTO so it will accommodate front disc brakes. Now for the tires. I don't want them to rub so what would be the largest tire I could get? I was thinking of getting 225 70 R15s? Would that be a good choice? Seems like I saw that it was somewhere on the forum here. Ralley 1s are from National Parts Depo.
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post #2 of 13 (permalink) Old 10-25-2014, 03:37 PM
 
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good question. Im curious to see what size 15" tires '65 owners are running. ive got 215 65 R15 T/A radials on 15x7 torque thrust mags with a GM single piston disc brake kit. when the outside edge of the tire passes by the front lip of the fender, you can barely get a matchbook between the tire n fender. kinda too close for comfort.
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post #3 of 13 (permalink) Old 10-26-2014, 12:23 AM
 
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post #4 of 13 (permalink) Old 10-30-2014, 08:54 PM Thread Starter
 
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Tire Rub

Well I went ahead with the tire purchase and sure enough the 225-70-R15s have a rub when I make a sharp turn. It doesn't seem to be that bad but I cant have a rub. So, it's either new fronts or some sort of spacer I'm told I could try. Too bad though I really liked the look of the tires. Rear of course is not a problem...just the front.
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post #5 of 13 (permalink) Old 11-01-2014, 11:51 PM
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Originally Posted by poocher View Post
Well I went ahead with the tire purchase and sure enough the 225-70-R15s have a rub when I make a sharp turn. It doesn't seem to be that bad but I cant have a rub. So, it's either new fronts or some sort of spacer I'm told I could try. Too bad though I really liked the look of the tires. Rear of course is not a problem...just the front.
The recommended tire size is 225/60-15 the 225/70 is a little bit taller.
I just ordered a set of 225/70-15 redlines for my 67 because I couldn't find redlines in 225/60.
I have 235/70-15s on it right now but the rear passenger side rubs on the fenderwell with 4 people in the car.
The front tires also rub slightly going onto off camber aprons but I can avoid the rubbing by swinging out wide and going onto them at a straighter angle.
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post #6 of 13 (permalink) Old 11-02-2014, 06:44 AM
 
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no spacer. 60s on the front will give you enough clearance from the bottom lip of the fender with 15x7 wheels.
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post #7 of 13 (permalink) Old 11-02-2014, 06:49 AM
 
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I have 215x70x15's on my '65. Coker redlines. If you contact Coker, I'm sure they can get you 225x60 redlines.


67 Post Coupe,
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06 BOM, M6, 18's
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post #8 of 13 (permalink) Old 11-02-2014, 11:11 AM Thread Starter
 
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What about??

Thanks for all of your replies. That helps out a lot! A seasoned guy who does brake conversions told me that after I put on my disc brake conversion I may find out that I don't have a rub since the disc brake conversion will push the tires out a little. Anybody think I have a shot with this or should I just order two new fronts ....225 60 R 15s?
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post #9 of 13 (permalink) Old 11-02-2014, 12:09 PM
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Originally Posted by poocher View Post
Thanks for all of your replies. That helps out a lot! A seasoned guy who does brake conversions told me that after I put on my disc brake conversion I may find out that I don't have a rub since the disc brake conversion will push the tires out a little. Anybody think I have a shot with this or should I just order two new fronts ....225 60 R 15s?
Changing to disc brakes doesn't change the aspect ratio of the tires, I converted to disc brakes and the tires still rub.
I just got off the phone with Summit and apparently Coker isn't making the /60 redlines they show as discontinued on the Coker site.
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post #10 of 13 (permalink) Old 11-02-2014, 12:33 PM
 
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Originally Posted by poocher View Post
Thanks for all of your replies. That helps out a lot! A seasoned guy who does brake conversions told me that after I put on my disc brake conversion I may find out that I don't have a rub since the disc brake conversion will push the tires out a little. Anybody think I have a shot with this or should I just order two new fronts ....225 60 R 15s?
When I converted my 65 to disc, I had aftermarket 14" rims (Keystone Klassic)that did not rub the front caliper because of their offset. It was close, but ordered/updated to 15" aftermarket rims and chose the offset that relatively put the tire (235x60x15)in the middle and had plenty of clearance to the caliper.
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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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