7.50 tyres vs 205/80/16's

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Scc28
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Joined: 31.08.2006
Location: manchester
GWOA Groups: Members

having spent a fortnight running on my current offroad tyres and wheels i have come to the conclusion that if you can have 2 sets of wheels because the 7.5's have half my petrol consumption and obliterated what little speed i had in the g! has any bodyelse had this problem or similar symptoms?

cheers simon

pambos
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Joined: 13.03.2007
Location: Cyprus
Re: 7.50 tyres vs 205/80/16's

The symptoms may be due to the fact that a taller tyre means more distance covered per wheel revolution which means your speedo is reading slow.