Quote:
Originally Posted by Eddie25
Anobody got some info or results on different tyre setups. I know deacreasing the width of the tyre helps but what about increaseing the profile (Tallness of a tyre) i saw a new suzuki swift in traffic and noticed its tyres look rather large on the 14 inch rim. after some researching i found out it runs a setup of 165/80 r14. my stock setup is 175/65 r14
on this site willtheyfit. com i compared the 2.
the results show that i will gain 18.3mm (0.72inch) on the circumfrence. bigger wheel means less turning to be done to maintain same speed bringing revs down. how significant will my FE change? the width has also reduced so i know that wil help.
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If your stock is 175/65R14 then step down to 165/65R14 and get Bridgestone potentza Re92's. They WILL give at least a 5% increase. They are 5% better than the next best tire out there (Michellin energy savers).
When I went from 175/65R14 on my insight to 165/65R14 potentza Re92's I gained 8mpg in my insight. From 55 to 63 on average, sometimes more. So I roughly gained 15%.