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-   -   Goodyear tire difference (https://www.yenko.net/forum/showthread.php?t=183908)

jl8z28 11-07-2025 06:38 PM

Goodyear tire difference
 
1 Attachment(s)
What is the difference between this Goodyear F 70 15 and the one mr 70 has forsale

RobR 11-07-2025 06:50 PM

I believe the wide tread GT was earlier than the polyglass tire

daveg 11-07-2025 08:15 PM

4 Attachment(s)
The common use of this tire is E70X15 on 68- 69 Z-28 cars.
Beyond that I know nothing.

Pics are one of mine I am going to use as the spare in the 68 SS 396 El Camino I recently bought.
Probably not correct but I have it, it is period, in decent shape, the right size and there is no spare.
Going on a "XB" wheel.


The tire in post 1 is not the early version "POLYGLAS".

Ralph Spears 11-08-2025 12:12 AM

1 Attachment(s)
!969 -72 Corvette nylon cord

Ralph Spears 11-08-2025 12:27 AM

1 Attachment(s)
///

jl8z28 11-08-2025 12:22 PM

Mine says polyglas the others don't

daveg 11-08-2025 02:28 PM

Looks to me you answered your own question.

Tire I posted is same as his, just different size.

Tire Ralph posted is the non- GT version of same type.
"SPEEDWAY WIDE TREAD".

Yours is a later version of the "POLYGLAS" type.
Completely different

daveg 11-08-2025 02:35 PM

1 Attachment(s)
Ad for 69 Chevelles showing the 14" version of Ralphs common on 69 only . aLSO SHOWS THE 69 Firestone 14" version.

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Ralph Spears 11-08-2025 02:56 PM

1 Attachment(s)
F70x15 Nylon cord, original Corvette tire,

Ralph Spears 11-08-2025 03:14 PM

1 Attachment(s)
F70x15 nylon cord tread pattern


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