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12-05-2009, 09:32 PM | #1 |
Registered User
Join Date: Nov 2009
Location: Sacramento, Ca.
Posts: 66
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Tire size?
Not sure where to post this but.....anyone know what is the stock tire size for 72 GMC 3/4 ton? Or where I might find this info?
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72 GMC Custom Camper 84 Shovelhead |
12-05-2009, 10:05 PM | #2 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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Re: Tire size?
I think it was 7.50 16.5
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12-05-2009, 10:15 PM | #3 |
Registered User
Join Date: Nov 2009
Location: Sacramento, Ca.
Posts: 66
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Re: Tire size?
Guess I shoulda asked...Tire Height? I think it was 29"
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72 GMC Custom Camper 84 Shovelhead |
12-06-2009, 12:49 AM | #4 |
Registered User
Join Date: Feb 2007
Location: west coast
Posts: 3,396
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Re: Tire size?
The standard tire was 8.75-16.5. Most common optional sizes were 9.50-16.5 and 7.50-16. The 16.5 wheel was a 1 piece , the 16 wheel was a 2 piece on 72 3/4 tons. 29" about right for 9.50-16.5 and around 30" for 7.50-16.
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12-06-2009, 02:21 AM | #5 |
20' Daredevil (Ret)
Join Date: May 2003
Location: Jefferson State
Posts: 13,722
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Re: Tire size?
Can't speak to the 16.5" stuff, but this info on the 16s is accurate based on what came on my '72 K20 -- other than I believe typical 7.50-16s were closer to 31.5" tall. The old 8PR Armstrong Norsemans I bought were listed as 32.3".
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- Mike - 1972 K20 LWB 350/350/205 RIP El Jay |
12-06-2009, 05:16 PM | #6 |
Middle-aged Curmudgeon
Join Date: Jun 2008
Location: Independence, MO
Posts: 753
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Re: Tire size?
My 72 Custom Camper came with 16's too, which I'm thinking was an option. Original customer ordered it that way. It's on the SPID.
(slight thread hijack) Question for you tire guys--- What's the closest modern radial tire size to a 7.50-16? And how much wider of a tire can I crowd onto my stock rims without getting into trouble?
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12-06-2009, 09:22 PM | #7 | |
20' Daredevil (Ret)
Join Date: May 2003
Location: Jefferson State
Posts: 13,722
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Re: Tire size?
Quote:
265/75-16 is same height and will go on a 7" - 8" rim, or a 275/70-16. I probably would not go any larger on a stock wheel.
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- Mike - 1972 K20 LWB 350/350/205 RIP El Jay |
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