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Well, what you said is right, depending on the make of tyre. Across different tyre ranges, i've seen quite a large variation in width.

This is what I have seen from my experience (thus why I recommended what I did):

7" soarer rim - 225 was buldgy. 205 would have been perfectly straight sidewall.

6.5" stock gtst rim - 205 was even a sorta striaght. 225 was buldgy.

8" gtr rim - 225 - fairly striaght, or slightly buldgy. 205 tyre was nice and straight, or slightly stretched.

The reason why I recommended 205 is because going wider doesn't increase the side of the contact patch, it merely changes its size. By putting something wide and buldgy on, instead of increasing cornering performance, you're likely to go backwards

the simple fact is a 255 on a 7.5inch rim will handle like rubbish. sure it will physically go on, but I wouldn't do it.

im not arguing the fact the car will handle like rubbish but they cost me zip, they are a little old, i was only wanting to use them for skid pan days.

9inch=255,245 and 265 at a stretch.go smaller if you want to skid.generally 1 size up or one down i say.

the problem is.i wouldnt do it.the tyre to me sounds way to big for what it is actually designed to be aplied to.i can see the tyre guy saying,i wouldnt race on it.

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