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#1
10-06-2010, 04:00 PM
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Big car tires
The GP could use a new set of shoes---- tires are a bit old. Have been asking around and 225/75-14 just aren't around anymore. I have seen a few big cars with 215/75 and they just look too small. Anyone out there with any leads on an old stash of this size or other ideas? Even Coker can't get them!
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Knowledge is knowing a tomato is a fruit; wisdom is not putting it in your fruit salad. |
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#2
10-06-2010, 04:27 PM
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Do you need radials?
If not look at the pics of my car from the link in my sig. I really love the look of bias-plys on these old cars. The set on mine came from Coker and are original spec tires. -H
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Sold - 1967 Grand Prix Convertible ( http://forums.performanceyears.com/f...d.php?t=639110 ) 2003 Bonneville coupe (hers) 2007 Avalanche LTZ 4x4 |
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#3
10-06-2010, 05:14 PM
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I really like the handling improvement you get with radials. I had polys on a 63 GP I had some years back-----I thought the car needed a new front end when I first drove it. Had it checked out, everything was good, put the radials on and never looked back. Had them on my Goat as well.
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Knowledge is knowing a tomato is a fruit; wisdom is not putting it in your fruit salad. |
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#4
10-06-2010, 07:39 PM
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I totally understand. If this car was a regular driver I would do the same.
Best, Harry
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Sold - 1967 Grand Prix Convertible ( http://forums.performanceyears.com/f...d.php?t=639110 ) 2003 Bonneville coupe (hers) 2007 Avalanche LTZ 4x4 |
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#5
10-06-2010, 08:42 PM
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If you want to spend $800.00 per set, you can get American Classics. You can even get them in 235-75R-14.
You could also convert to 15" wheels and get 225-75R-15'S.
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The difference between inlaws and outlaws? Outlaws are wanted |
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#6
10-06-2010, 08:47 PM
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Coker still lists a couple radials in that size. http://store.cokertire.com/catalogse...t/?q=225/75R14 They aren't cheap, though.
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#7
10-07-2010, 06:05 AM
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I was looking for a 1" WW.
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Knowledge is knowing a tomato is a fruit; wisdom is not putting it in your fruit salad. |
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#8
10-07-2010, 08:48 AM
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The American Classics may be best option---can I anticipate any fit issues using 235's?
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Knowledge is knowing a tomato is a fruit; wisdom is not putting it in your fruit salad. |
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#9
10-07-2010, 09:16 AM
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I have the 235's on my 60 with no issues plus a friend has them on his 64 GP and he said there fit fine.
The 235's are probably around the same size as 8.55-14's. I had mine delivered to Carlisle and saved a few bucks. The drive very well...for now! You could also put on a set of 15" Rally II's. Or get a set of 15" steel wheels and use the 69-74 15" spoke hubcaps. They look almost exactly the same as the 14" spoke caps that could have come on your car. The 15" tires are readily available. I would stay away from the Coker's.
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The difference between inlaws and outlaws? Outlaws are wanted |
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#10
10-07-2010, 09:22 AM
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Steve--which distributor did you use?
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Knowledge is knowing a tomato is a fruit; wisdom is not putting it in your fruit salad. |
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#11
10-07-2010, 02:01 PM
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I have 235/70/15 on my 67 GP and have no issues. My car came with H70/15. I bought my tires from Diamond Back Classic Radials. It's a Diamond Back LS5 made by Cooper tire, made in the USA. Think most of Cokers are my down south. Scott
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#12
10-07-2010, 08:55 PM
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Quote:
Diamondback did not have what I wanted.
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The difference between inlaws and outlaws? Outlaws are wanted |
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#13
10-26-2010, 02:42 PM
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Radials on 8-Lugs
Also looking for a set of right size radials for my '67 GP. Can you use the P235/75R14's on 8-Lug wheels? Will these larger tires have a significant drag on performance?
Thanks, Bruce |
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#14
10-26-2010, 04:36 PM
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A little late but..
Quote:
I still think that the best bet on a 67-up is to use 15" wheels and either 15" wire wheel covers or 15" Rally II's. That way you can get a good set of 225-75R-15 tires that will last for about $300.00.
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The difference between inlaws and outlaws? Outlaws are wanted |
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#15
10-26-2010, 04:38 PM
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Quote:
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The difference between inlaws and outlaws? Outlaws are wanted |
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#16
10-26-2010, 06:23 PM
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I actually found some 215/75-14 Cooper Trendsetter SE tires, 3/4"WW----$85 each including mounting/balancing at my local tire supplier. 215/75 are less than .6" less in diameter than the 225/75. Can't really notice a difference in the wheel well or speedo.
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Knowledge is knowing a tomato is a fruit; wisdom is not putting it in your fruit salad. |
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#17
10-26-2010, 10:25 PM
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225/70R14 BFG Silvertowns... it had 225/75R14 whitewalls when I bought it from the original owners son
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 Current Pontiacs -1973 Formula SD455 - #'s auto orig paint 1972 Trans Am - 4 speed orig paint 1974 Formula 400 - Ram Air automatic 1966 2+2 convertible - 421 4bbl automatic 1967 Grand Prix - 4 speed orig paint 1967 GTO - 4 speed orig paint 35k orig miles |
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#18
10-27-2010, 01:39 AM
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You could also convert to 15" wheels and get 225-75R-15'S.[/QUOTE]
I did this on my 68 Bonneville wagon and have no regrets. 14 inch tires are slim pickin's now days and the load ratings are not the best for big cars.
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Junk is something you've kept for years and throw away three weeks before you need it! |
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#19
10-27-2010, 02:18 PM
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My 67 Catalina had clearance issues with 235-75R-15 on the front. Typically when turning tight into an uphill driveway. The wheels were RallyII's off of a 69 Bonneville.
The pic below show my 67 with the RallyII's. I think it was taken in 1992. The gold Catalina is a friends and the blue 65 was my 2+2 with a 3spd on the floor. I miss them both  Carmak Riverside, Iowa |
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#20
10-27-2010, 02:45 PM
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I have 225-75-R15's on my 67 GP with a slight rub on a real tight turn.
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The difference between inlaws and outlaws? Outlaws are wanted |
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