Best rims and tire for 67 tempest - Pontiac GTO Forum
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post #1 of 13 (permalink) Old 05-16-2013, 04:33 PM Thread Starter
 
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Best rims and tire for 67 tempest

I'm working on a 67 tempest custom. Currently it has drums all around. When I can afford it; I expect to upgrade to disc brakes. I want to stick to the rally II wheels. I'm installing a 12 bolt chevy rear end in the next week. With that in mind; I'm looking for suggestions on tire and rim sizes. Thank you for your attention.

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post #2 of 13 (permalink) Old 05-16-2013, 10:24 PM
 
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Cosmetically, Anything bigger than 17' looks too big for these cars. I'd go for a 15-17 in the Rally IIs, can't go wrong. Are you looking for a performance tire for max traction, or skinnier stock replacement that just fits fine?
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post #3 of 13 (permalink) Old 05-17-2013, 06:45 AM Thread Starter
 
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I'm looking for something that looks stock; but has the clearance for upgraded brakes. This will be a driver; so I want to be able to rotate the tires. I believe 15 x 7; but I'm not sure about offset. If there are some date codes to stay away from. Also, I was told the rear end upgrade will widen the rear 3/8" each side.
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post #4 of 13 (permalink) Old 05-17-2013, 06:49 AM
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So you are using a later model 12 bolt? I'd recommend a Percy's wheelright to get the correct offset to ensure you don't have any rubb-age. I used it to fit my rears and I run a 12.5x29 street slick in the stock wheelwells.

Another thing to consider is the tire diameter, especially the front as they are known to rub the front edge of the fender when turning.
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post #5 of 13 (permalink) Old 05-17-2013, 06:59 AM Thread Starter
 
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The rear end reportedly from a 69' chevelle; I don't know if it is considered a later model.

Exactly, (tire size) this is why I'm looking for recommendations for both rims and tires.
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post #6 of 13 (permalink) Old 05-17-2013, 07:47 AM
 
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you will want a 4.5-5" offset on the rims for the biggest tires, max on the back is 275's and 235's on the front

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post #7 of 13 (permalink) Old 05-17-2013, 08:33 AM Thread Starter
 
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Thank you Instg8ter. Since I'd like to be able to rotate tires 235 on a 15 x 7 with a 4.5" to 5" offset is what I'll look for. As far as width goes; I assume 70 is ok.
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post #8 of 13 (permalink) Old 05-17-2013, 10:39 AM
 
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fat daddies

I'm a running 245 60 r15 on Rally II (15x7, if memory serves) rims. I forgot what the backspacing is, but think it's 4 1/2". No rubbing issues. (Although at first, the front rubbed slightly on the inner fender, but was able to adjust it via the bolt adjustment)... I personally like the same size tires all the way around, but that's just me. I gave up a hair on the tallness factor, so I could go with slightly wider tires, although I do like the looks of a filled wheel well. I don't believe I could've gone taller and kept the same width, though.
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post #9 of 13 (permalink) Old 05-17-2013, 02:08 PM Thread Starter
 
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Great info gjones, Thank You.
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post #10 of 13 (permalink) Old 05-17-2013, 02:27 PM
 
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yes i forgot to say they were 60 series on mine. I got the rims used so i have 3.5" backspace, Like G says if you like same width 245 or 235/60 R's all the way around and you can go with 3.5 - 4" backspace.

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