Jim writes: I just got new wheels and tires on my 2008 Buick LaCrosse Super, 245/45R19s to replace the stock 18s. The tire dealer put in 40 lbs of air, and when I said “is that a little high?” they pointed to the sidewall and said “look, it can take up to 51 lbs.” I’ve never
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Piston Slap: Pounding the LaCrosse Super with Too Much Air?