origianal tire size on a 1972 suburban 1/2 ton? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

72GMCburban · 11-08-2006, 06:02 PM

Anyone out there no the standard tire size and optional sizes available in 1972?

72freak · 11-08-2006, 08:27 PM

I believe one of mine says 78-15 in the glove box for a 1/2 ton

72GMCburban · 11-12-2006, 09:50 AM

i did not see that on my glove box tag?? hmmm okay so does yours say g78, L78 or h78 and what is the difference?? okay I found what the alphanumber means, nevermind, it's the size. The previous owner has 31x10.5 15 on there and they are almost new, but that is larger than the original, right? so would that effect the speedo?

72freak · 11-12-2006, 06:22 PM

and my 1972 3/4 ton Suburban says 8.75 - 16.5 - 8

A few 72's · 11-13-2006, 12:51 AM

my 72 1/2ton burb has the following on the glove box
L78-15-B HIGHWAY BB

11-08-2006, 06:02 PM	#1
72GMCburban Registered User Join Date: Oct 2006 Location: Fort Worth Posts: 306	origianal tire size on a 1972 suburban 1/2 ton? Anyone out there no the standard tire size and optional sizes available in 1972? __________________ --Mike http://rides.webshots.com/album/551997543JkYiXF

11-08-2006, 08:27 PM	#2
72freak Rottenwood Garage Member Join Date: May 2005 Location: Marietta, Georgia Posts: 4,321	Re: origianal tire size on a 1972 suburban 1/2 ton? I believe one of mine says 78-15 in the glove box for a 1/2 ton

11-12-2006, 09:50 AM	#3
72GMCburban Registered User Join Date: Oct 2006 Location: Fort Worth Posts: 306	Re: origianal tire size on a 1972 suburban 1/2 ton? i did not see that on my glove box tag?? hmmm okay so does yours say g78, L78 or h78 and what is the difference?? okay I found what the alphanumber means, nevermind, it's the size. The previous owner has 31x10.5 15 on there and they are almost new, but that is larger than the original, right? so would that effect the speedo? __________________ --Mike http://rides.webshots.com/album/551997543JkYiXF Last edited by 72GMCburban; 11-12-2006 at 11:53 AM.

11-12-2006, 06:22 PM	#4
72freak Rottenwood Garage Member Join Date: May 2005 Location: Marietta, Georgia Posts: 4,321	Re: origianal tire size on a 1972 suburban 1/2 ton? and my 1972 3/4 ton Suburban says 8.75 - 16.5 - 8

11-13-2006, 12:51 AM	#5
A few 72's Registered User Join Date: Mar 2004 Location: Alabama Posts: 703	Re: origianal tire size on a 1972 suburban 1/2 ton? my 72 1/2ton burb has the following on the glove box L78-15-B HIGHWAY BB __________________ 1972 C10 SWB 350 / T400 1972 SWB GMC 350/T350 1972 Cheyenne 20 super "long horn". 402BB / T400 1972 Suburban C10 Deluxe 350 / T350 and a few more.. http://www.myspace.com/afew72s



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