<VV> Favorite subjects (humor?)

[Louis Armer]

As usual, when a mention of tires is brought forth on the list, Bruce 
leaps on his favorite subject
in a "tireless" manner and provides "balanced" answers that "stem" 
from the "tread" !!! <GGG>

FrontMan
DeckRug Enterprises Inc.
Purveyor of ULTRA Corvair Retread parts
Firestone, Montana
Akron, Manitoba
/////////////////////////////////////////

At 09:30 AM 6/18/2007, you wrote:

>On Jun 17, 2007, at 10:28 PM, Kinzelman, Andy wrote:
>
>>Guys,
>>I am trying to find out the correct tire size for my friend's 
>>Maverick.  It calls for C78-14, or D70-14.  I have located several 
>>tire size calculators - but none of them can handle the letter 
>>series tires available in the 70s.
>>Thanks,
>>Andy K.
>
>"Correct size" can be quite misleading, as seen in the various 
>"replacement" sizes recommended for Corvairs. In recommending a tire 
>size to your friend, you must decide what your criteria is.
>
>If you go by the silly "replacement" size charts, you could come up 
>with almost anything. You must remember that these charts typically 
>are based more on load ratings than tire dimensions. My chart shows 
>a C78-14 cross referencing to the following: 6.00-14; 6.95-14; 
>175-14; 185/75-14; 195/70-14. Another chart shows: C70-14; 6.95-14; 
>205/60-14; 185/70-14; 175/80-14. A third chart recommends: C60-14; 
>C70-14; 6.95-14; 215/60-14; 195/70-14; 175-14. These are the sizes 
>that a tire store would probably try to sell you, if they had them available.
>
>The D70-14 cross references on these charts to the following: D78-14; D60-14.
>
>What I would do would be to try and find the diameter of the 
>original tire. This is the criteria I use; others may disagree and 
>use other criteria.
>
>I don't know how to translate these letter-size tires into modern mm 
>sizes. I don't have a chart that does it either. If you really 
>wanted to, you could contact tire manufacturers or the Tire and Rim 
>Association, like I did for Corvair-size tires and ask them.
>
>I did find a couple of charts that shows a C78-14 to be 25.2" in 
>diameter. One, 25.24". One shows the D70-14 to be 25.3", one 25.32".
>
>Corky Coker sells four different Firestone D70-14's that are all 
>25.40" in diameter. Like all tires, these probably varied some but 
>you can probably use 25.40" as a "par" figure for diameter. I can't 
>find any C78-14's but if you dig around you might.
>
>Based on this quick research it appears that these tires were around 
>25.2-25.4" in diameter. Now all you have to do is find a size that 
>is near this diameter and you're set.
>
>If you want vintage tires, call Coker or one of the other tire 
>dealers that specialize in this type of tire.
>
>If you want a modern mm tire simply look at some specs and find 
>something around this diameter. be careful that you don't get too 
>wide. Remember, a 50-series tire will be a lot wider than those old 
>78 or 70 series tires and, while they may have the same diameter, 
>they won't look the same. They also will probably hit the car 
>somewhere and cause problems.
>big snippero
>
>Bruce W. Schug
>President, CORSA South Carolina
>Greenville, SC
>bwschug at charter.net
>
>CORSA member since 1980
>
>'67 Monza. "67AC140"
>/////////////////////////////////////////////////////////////////////

CORSA Tri-membership Chairman
CORSA Member
Corvanatics Member
Corvair Atlanta Director
SECC Member
1965 Corsa Coupe
1964 Greenbrier
1965 Corsa Autocross car 1/2 owner