Quote:
Originally Posted by lkchris
In the real world, here's what you'll accomplish fitting larger than oem tires:
You'll make the tire company happy because they've sold you a more expensive tire.
You'll have increased your car's unsprung weight, affecting handling and fuel mileage.
You'll have increased your car's rolling resistance, affecting fuel mileage.
You'll have decreased your car's traction capabilities on wet or snowy roads.
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this is for track tires on a car that runs 20 min sprints, so don't care about fuel mileage. don't care about wet or snow - will use my streets as rain tires should it be raining at the track. currently have OZ Allegerittas so wheel weight is quite a bit lower than oem. yes, more tire does add more weight, however other factors can offset this - i want more front tire to improve turn-in so need to maintain balance in the rear, hence the question regarding performance of a 245/265 setup. would like rears a bit smaller diameter to improve torque/gearing and reduce sidewall (and, as a result, reduce tire weight). as bpd noted, spacers will increase weight, so overall fitment of wider setups becomes a consideration as well (ie, on front looking at a 7mm spacer w the move to 245).
bpd - 285's feel less nimble - is that because the rear gets glued to the ground? potentially not a bad thing if the fronts do the same?