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Originally Posted by tbushatz
i just checked my tire pressure and the front drivers side had 50psi the passenger front side had 45psi and the both of the rear tires had 28 psi. 
i put them all to 45 psi. the max on the tire says 44psi. i hope this will make an improvement on the mpg |
Oh yeah it will. Just going from mid-30s to 42 bumps me up 1mpg, even in cold. You notice the biggest difference while coasting- the car will roll much more easily down slighter hills with them pumped up. Ride is a little rougher, but I sort of like the sportier feel- we DO have a sporty car in disguise after all.
I also notice my car seems to track straighter with them pumped up, but that's probably my head playing tricks.