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11-12-2012, 09:46 PM
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#1 |
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Registered User
Join Date: Jan 2010
Location: Here
Posts: 5,481
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factory bias ply tire questions? L78-15 or 820-15 in 67
I have a 67 and looking to get a reproduction set of original style tires for my ride? my question is when were L78-15 tires first introduced to trucks. I have been looking at factory photos and it looks like 1964ish was when they replaced the older bias ply tires on 1/2 ton trucks. first pic is L78 -15 and last pic is 820 15 ( i know the trucks would have had a smaller size but this is what i think looks good). I believe both are bias ply.
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11-12-2012, 11:34 PM
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#2 |
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Registered User
Join Date: Jan 2010
Location: Here
Posts: 5,481
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Re: factory bias ply tire questions? L78-15 or 820-15 in 67
Ok i just did more research and in Jan 1967 Goodyear introduced the Custom Superwide Polyglas tires (L78-15). I am just curious if gm would have used these right off the bat on new vehicles produced after Jan 67 or stayed with the older style tires on the trucks? http://www.timetoast.com/timelines/history-of-car-tires
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11-13-2012, 08:01 AM
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#3 |
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Special Order
  
Join Date: Nov 2004
Location: Mt Airy, MD
Posts: 85,859
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Re: factory bias ply tire questions? L78-15 or 820-15 in 67
I believe it was later when L78s were offered on trucks. Quite possibly not until '71...without looking into it.
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