Going from 275-40-17 to 245-45-17 tires
#21
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I agree. Running wide tires themselves shouldn't be an issue. 245s don't look too bad on the 16s but I imagine the rim sticking out too much on our 17s.
#22
TECH Senior Member
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IMO, run the widest recommended tire for the wheels you'll run. This will allow for slightly more side wall flex, and a little more side wall height if you go from a 245/45/17 to a 255/45/17 on a 17 x 8 wheel. This will allow for a slightly better ride and road manners, but with a slight sacrifice in handling compared to running the same tires on a 17 x 9 wheel.
FYI, one tire I'd recommend avoiding is the Pirelli P Zero Rosso. They're a excellent tire for handling and grip on smooth roads, but on less that perfect country roads the P Zero Rosso is terrible with tramlining! Furthermore, they were the narrowest 275/35/18 I've ever had on my 18 x 9 wheels.
FYI, one tire I'd recommend avoiding is the Pirelli P Zero Rosso. They're a excellent tire for handling and grip on smooth roads, but on less that perfect country roads the P Zero Rosso is terrible with tramlining! Furthermore, they were the narrowest 275/35/18 I've ever had on my 18 x 9 wheels.