Speedo calculation
I know this has been posted here already, but I've been searching and can't find the answer. So sorry for repeat question. I have increased my tire size from original 205/75 to 225/75. So what percentage faster am I going now, over what my speedometer is reading? Thanks.
(And just to advise - I took a 'long' trip today - long for Irish standards, only maybe 100 miles* - and boy, do new tires make a difference. Filled up before I left, travelled 121 miles, gas tank indicates only about 1/4 gone. Tires pressure at 28psi (rather than before where tires wouldn't hold pressure, so each tire was different, etc.) and new tires made a world of difference. Maybe will 'increase' my gas mileage too. Am doing an experiment (using .26 for liter to gallon) to see exactly what my car will do. Hope to surprise you all....
*Longest distance from northern most to southern most bit of Ireland is only about 500 miles. Almost commuting distance in New York, but considered full day's journey here...)
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'91 Tracker 8V, 1.6L, 5 sp, 4wd, 2dr, conv, Canadian
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