@ scooby booster
Ich war zu faul zum Rechnen. Aber Du hast recht. Die 1/4 Zoll sind bereits mit 1 Millimeter weniger Profil erreicht. (1 inch sind doch 25,4 mmm oder bin ich schon stockbesoffen? )
<BLOCKQUOTE id=quote><font size=1 face="Verdana, Arial, Helvetica" id=quote>quote:<hr height=1 noshade id=quote> On All-Wheel Drive (AWD) vehicles, it is extremely important that the rolling or outer circumferences of the tires be within 1/4 inch of each other. This means that you must physically measure the size of the tire. This is best done with the weight of the vehicle off the tire and at the tread centerline. Also be certain that the tires are properly inflated since this can affect your readings.
If you need to replace just one tire, the same holds true. The measured difference in circumference between the replacement tire and the other tires on the vehicle cannot exceed 1/4 inch.
Depending on the vehicle mileage, it might be better to replace all four tires.
If the vehicle mileage is low and the tires have been rotated and driven at the proper inflation pressures, then you may be within the allowable 1/4-inch difference in circumference.
If the difference between the new/replacement tire and the current tires is within this 1/4-nch maximum, then the tire should be compatible. If it is not, then other tires will need to be replaced to conform to the 1/4-inch rule.
Exceeding this 1/4-inch difference in tire circumference can place unnecessary wear on drivetrain components, possibly causing them to wear out prematurely.
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Würde man mit "ft" (304,8 mm) statt "inch" rechnen, so würde die Sache eher Sinn machen. Das wären bei meinen STI-Rädern 2,2 mm Profilunterschied.
Zum Glück war der Mond etwas grösser, sonst hätten ihn die Amis 1969 noch verfehlt
Oder vielleicht konnten sie damals noch rechnen.
Gruss Walter