Quote:
Originally Posted by D.O.G.
IThe best ecomod I did (and can give a hard result for) was fitting taller tyres to raise overall gearing.
I went from 195/50 R15 to 195/60 R15 for just over 5% MPG gain. I'd go to 195/65 R15 next time, but they may not fit under the strut coils.
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If your are havin to buy tires (tyres!) this is the best 'free' mpg increase. just over 5% is the secret.
