Originally Posted by kayjh

I'm sorry, I'm confused. In your first post you wrote that the car has 19" wheels. Now you are saying that you have Carerra S wheels. Those are 20" wheels. Which is it? In any event do you find the car losing grip going around corners?

Originally Posted by 99999

im not the Op. mine has had 20s and 305s the entire thread. no grip issues here, but hasn't hit warm weather since I have had it yet, so haven't been driving hard at all.

Originally Posted by kayjh

That is exactly what I was thinking. I think the OP is going off in them wrong direction changing the OD of the tire wheel set with 19's and lower sidewall wider tires.

If it was me, I'd use the 19's for a winter set and buy a new set of aftermarket 20's and rubber to match. If he doesn't have need for a winter set, put them in the marketplace on reenlist and put the money towards the new 20's.