WHAT IS THE DIFFERENCE IN A 285 VS 305 BESIDES BEING WIDER ? does it make a differance in towing or driving / handling just looking in to getting 22" and the wondering what is better.
thanks
Obviously, the width. Additionally, at speed, the wider profile, assuming sidewall is the same, bulges outward and increases the rolling circumfrence, essentially gearing you down slightly. This does impact braking ability. It is advised that you don't go bigger, or smaller, than 3% the stock rolling diameter. It is believed that doing so could result in brake failure. Also, larger means less fuel economy, and smaller means more. Bigger also means slower acceleration, while smaller does the opposite. I recommend going to
www.1010tires.com and using the tire calculator to find out which size is best for you. I also recommend that for every 20mm wider you go, shrink the sidewall by 5mm in order to help stay within the 3% tolerance.
This is all I know. Please consult an engineer if you have any more specific questions.
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