tyre widths for progressive breakaway
Discussion
Sorry if this has been done before (links please?). I need 4 new tyres (limits enjoyably explored at Bruntingthorpe last Saturday) and am considering the possibility of changing wheel sizes at the same time.
My primary aim is to achieve a more progressive breakaway transition at the limit of adhesion, probably at the expense of absolute grip.
Secondary aim is to keep costs down. On other vehicles I've seen cost savings to be had by moving to more common rim diameters.
My current sizes are 215-15 F and 235-16 R, on a griff500 with PAS, but I've seen tyre sizes 205 to 225 F and 235 to 245 R quoted as standard fit.
Your experience of different sizes and manufacturers is much appreciated.
My primary aim is to achieve a more progressive breakaway transition at the limit of adhesion, probably at the expense of absolute grip.
Secondary aim is to keep costs down. On other vehicles I've seen cost savings to be had by moving to more common rim diameters.
My current sizes are 215-15 F and 235-16 R, on a griff500 with PAS, but I've seen tyre sizes 205 to 225 F and 235 to 245 R quoted as standard fit.
Your experience of different sizes and manufacturers is much appreciated.
Sorry if this has been done before (links please?). I need 4 new tyres (limits enjoyably explored at Bruntingthorpe last Saturday) and am considering the possibility of changing wheel sizes at the same time.
My primary aim is to achieve a more progressive breakaway transition at the limit of adhesion, probably at the expense of absolute grip.
Secondary aim is to keep costs down. On other vehicles I've seen cost savings to be had by moving to more common rim diameters.
My current sizes are 215-15 F and 235-16 R, on a griff500 with PAS, but I've seen tyre sizes 205 to 225 F and 235 to 245 R quoted as standard fit.
Your experience of different sizes and manufacturers is much appreciated.
I always say the standard tyre widths are too big for the rims, you've already gone down one size but it would do no harm to come down another (205/55/15 and 225/45/16). They seem to be just about the right size for S02 and S03 on those rims. Having narrower tyres will make the break-away less abrupt. (Having new tyres with plenty of tread will also make the break-away less abrupt.) With new tyres the optimum tyre pressure will be slightly lower, as well as increasing the ultimate grip, this again will make the tyres break away more progressively at the limit.
Tried many combinations... joys of having several cars that share tyres. 205F/225R is not as good as 225/245 on my Griff 500 which has been tweaked a bit ish. A lot less grip.
Steve
www.tvrbooks.co.uk
Steve
www.tvrbooks.co.uk
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