Tried out some 20" wheels today.

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#1 (permalink)

03-06-2014, 03:16 PM

RodKnock

Senior Club Cobra Member

Join Date: Feb 2007

Cobra Make, Engine: KMP 539, a Ton of Aluminum

Posts: 9,592

Not Ranked

Quote:

Originally Posted by AL427SBF

Couldn't quite connect the dots on that brain teaser? Then go weigh mounted 15's versus 18's with the same width tire and final diameter, that's the point genius. Amazing you couldn't figure that out on your own lol.

Avon tire sizes for my Kirkham, per a posted recommendation from Tom Kirkham, would be 245/60-15 and 275/55-15. If I desired more rear tire, then I could go to a 295/50-15 for the rear.

It doesn't take a genius to figure out that bigger wheels mean MORE aluminum and bigger tires means MORE rubber, ergo MORE total weight. And the Law of Diminishing Returns (and appearance) would apply to the performance benefits, if any, of increasing wheel and tire sizes for the authentic-appearing Cobra replicas.

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