I did a search of the forum for this and was quite surprised I didn't get any hits. I find it hard to believe this hasn't been discussed before. The following is quoted from one of the reproduction tire vendor's web site:
"N/F – This designation used by Goodyear in ’68 and ’69 only. N/F means “non flat spotting”. This pertained to the type of nylon fabric used in these tires and is so contained in the construction statement of the tires to be used for authentic ’68 and ’69 Corvette restoration."
There is nothing mentioned about this in the 68/69 TIM&JG. Should original Goodyear Speedway Wide Treads have the "NF" designation on the sidewall?
"N/F – This designation used by Goodyear in ’68 and ’69 only. N/F means “non flat spotting”. This pertained to the type of nylon fabric used in these tires and is so contained in the construction statement of the tires to be used for authentic ’68 and ’69 Corvette restoration."
There is nothing mentioned about this in the 68/69 TIM&JG. Should original Goodyear Speedway Wide Treads have the "NF" designation on the sidewall?
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