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Wheel/Tire Size and gearing online resources

Gondul

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Bored cruising the internet and found this site which may be useful for folks looking at tire/rims compared to OEM.
If the link is right, it should show the stock set up on the left and the custom on the right... keeping the same tire and going to a wheel with +18 offset creates positive scrub radius.

Rim & Tire Size Calculator. Custom Offsets
Gear ratio/tire size/RPM worksheet (xls)
Online Gearing calculator with shift tracer
Tire Conversion Chart, Old Sizes To Radial Size
Tire Size Calculations

Tire Pressure Charts by Tire Size
 
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Crusty old shellback

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Crawlpedia has some good calculators on its website. I tried to link it but cant get it to work
 

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