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#1 |
Registered User
Join Date: Jan 2004
Location: Whitehorse YK Canada
Posts: 2,651
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69 GMC original tire size
Hello all
I am interested to know what the original tire size would have been on my 69 GMC. I am looking to make a basic driver out of it and am thinking about what tire size to use. To help with the decision please post any pictures of your truck you may have with with tires around P235/75R15. Also if you could say what size they are and what you like/dislike about the size. This truck will be driven in and out of a wood lot and 20's with 345's just won't work! Thanks in advance.
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Blaine 59 GMC 9314 a.k.a. Whoopee 68 C20 50th Anniversary a.k.a. The Rat http://www.flickr.com/photos/northerngmc/ http://www.members.tripod.com/P-wee/index_032.htm 1.61803 is one H of a lot better than 3.14159, no really it is! |
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#2 |
Registered User
Join Date: Jan 2007
Location: Saskatoon, saskatchewan, Canada
Posts: 8
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Re: 69 GMC original tire size
The only help I've got is from my glove box build sheet on my 69 which lists wheel size( rim) as 15 x 5.50. Unfortunately I've never checked into original tire sizes.
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#3 |
Senior Member
![]() Join Date: Dec 2006
Location: Studio City, Calif.
Posts: 2,873
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Re: 69 GMC original tire size
I've got the original option list for 1969 Chevy and assuming GMC was the same and assuming your '69 is a 1500 from looking at your pics then you had a lot of choices; 5 1/2 inch rims-7.75x15,8.25x15,etc.-Tubeless (high tech of the day);7.75,8.25,6.50x16,8x16.5 (6"rims)etc. My '69 (a heavy 2500) came with 7.50x16 split-rims and the current 235/85/16s (E) are just fine for every day and work.Got a good deal at COSTCO and they are having their annual $60 off sale right now through 4 Feb.-Free flat repair,rotate+balance every 5K.
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'69 GMC C2500 Custom Camper, 8 1/2' bed, New GM 350, NP 435 Close Ratio 4spd. Trans., 3.73 Dana-60 open.Camper and Trailer wiring, PS, PB, AC, tach , three gas tanks, stereo speakers, 2nd owner, Work-Truck supreme. |
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#4 |
Registered User
Join Date: Jan 2004
Location: Whitehorse YK Canada
Posts: 2,651
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Re: 69 GMC original tire size
Sorry, yes it is a half ton, with 6 bolt wheels.
I will check the glove box and see what is says. The truck presently has a miss matched set of 15 inch wheels. I am looking to replace with 15X7 rally wheels and then go to a reasonable tire size such as LT235/75R15.
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Blaine 59 GMC 9314 a.k.a. Whoopee 68 C20 50th Anniversary a.k.a. The Rat http://www.flickr.com/photos/northerngmc/ http://www.members.tripod.com/P-wee/index_032.htm 1.61803 is one H of a lot better than 3.14159, no really it is! |
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#5 |
Too Dumb To Know Better
Join Date: Nov 2005
Location: Texas
Posts: 882
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Re: 69 GMC original tire size
If you are going to be getting different wheels anyway, get 16's. Those 235/85/16's will carry alot of weight. I assume that is what you're doing in the woodlot.
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#6 | |
Registered User
Join Date: Jan 2004
Location: Whitehorse YK Canada
Posts: 2,651
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Re: 69 GMC original tire size
Quote:
I originally thought of going with 16 inch wheels, but I like the look of rally wheels. Yes 16 inch rally wheels are made but expensive! Thanks everyone, I am going to go with 235/75R15's on my truck.
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Blaine 59 GMC 9314 a.k.a. Whoopee 68 C20 50th Anniversary a.k.a. The Rat http://www.flickr.com/photos/northerngmc/ http://www.members.tripod.com/P-wee/index_032.htm 1.61803 is one H of a lot better than 3.14159, no really it is! |
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#7 |
Senior Member
![]() Join Date: Sep 2005
Location: Lewisville, Nc
Posts: 10,234
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Re: 69 GMC original tire size
235/75r15 is the closest to the stock tire sizes i am running 255/70r15s on 10 inch rally wheels and i like them
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David fuller Ase Certified Mechanic Click here to help support our board!! 1971 Chevy c-10 under going a 4.8l LSx swap Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=421305 2007 Honda Accord my daily 145kmiles 2002 Honda Accord 4 door With 330k(sisters car) 2005 toyota Avalon 228k( brothers car) 2002 Sububran 5.3 245k 2000 Tahoe 5.3l 378 General manager for Marco's Carwash & lube |
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