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My 67 has on the ground Firestone 215/70/15R with 3/8" red stripe. These tires are from Diamond Back and according to the Judging Guide, these tires are service replacements and are acceptable for judging. I now need a spare tire that will fit in the carrier for judging. For this I am considering ordering a 7.75 x 15 red stripe from Coker. Would there be a judging issue with radial tires on the ground and a bias tire in the carrier?
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No...
In the interest of preserving history, NCRS intentionally judges the spare tire separate from the mounted tires as separate line items. That allows owners to preserve/maintain an original spare without it having to match the 'road rubber' tires. -
Re: Spare Tire Judging
Paul
I hope you checked with a 67 judge on the deduction for radial road tires as it may be more than you think. If you are correcting the spare which is OK as Jack has said you may want to order 5 tires. I think radials on a 67 that came with bias ply is a heavy hit.
LyleLyle
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Re: Spare Tire Judging
Looks like the tires on the ground would be considered service replacement tires would fall in the 60% standard deduct section for "Current-day OEM brand, service-replacement size, bias or radical ply or current equivalent sizing designation and correct whitewall width."
Page CampbellComment
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Re: Spare Tire Judging
Page
I did not have my guide with me thank you. 60% would be heavy for me to take.
LyleLyle
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Re: Tire Judging
Gentlemen,
Let's examine the difference between judging with OEM radials versus Firestone bias plies by Coker. Instead of talking percent deduction, let's take a look at actual points.
The 1963-1967 judging sheets state that tires are assigned 30 originality points. Per the Judging Reference Manual, the Firestones should take a 10% hit because of the DOT marking. They should therefore score .90 X 30 = 27 points. The OEM radials would get the 60% deduction. Their score would be .40 X 30 = 12 points.
The obvious difference between the two is 15 points. So I guess the question is always how many dollars is one willing to pay for how many points. Four Cokers will cost one about $600 total; including shipping, mounting, and balancing. More simple math leads us to $40 per point ($600/15 points).
This doesn't even address the issue of what to do with the bias plies after the car is judged. I don't think I'd chase the points; especially if I had a set of good radial tires that I liked. I hope that this post is not boring you guys to death. It's just the thought process that goes on in my mind when trying to decide what tires I'm going to buy for my '65, later this year.
Best regards,
GeneComment
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Re: Tire Judging
Good points Gene. I have considered this also for my '66, and believe that if one were to drive 300-400 miles to a regional on good OEM radials, the driving points will make up for the lost originality points. My 2 cents.
DaveComment
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