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Old 06-05-2010, 05:40 AM   #16 (permalink)
mpgx2
EcoModding Lurker
 
Join Date: May 2010
Location: Sydney Australia
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Wink Thinner tyres for more mpg, fatter for less

Tyre width has an enormous impact on fuel economy.

Narrower tyres get you less rolling resistance and are
more economical. Wider tyres get you more grip but
it comes at a fuel consumption cost.

If you want more cornering traction, get a wider tyre.

If you want more economy get a narrower tyre.

Also, some brands are better than others. Some
european brands like continental and michelin
are worth the extra money.

Final consideration is how do you drive? Are you
a ding dong who can't control a car? go for the
wide tyres. If you drive a bit slower and are not
into powerslides (narrow tyres are better for that
too actually) then one size thinner than what
the manufacturer suggests is a good idea.

I'm always amazed that people put wider tyres
on cars than is needed..
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