Recommended tire inflation on 17' wheels max is 50psi this is on a new VW beetle. How much air do i put in them?
by 
dianepbt
ANSWERS: 4
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You should put whatever it says on them as long as it's not a maximum allowed PSI. I think you should call your mechanic.
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chk inside the drivers door on the jamb or the owners manual it will give recommended tire pressure.
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For a FWD car, I generally put the maximum pressure on the sidewalls minus 2-3 PSI to allow for temperature changes and run the rear about 4 PSI lower than the front, though even that varies from 0 to 6 depending on the handling. The way I drive, running the recommended pressure leaves my front tires wearing excessively on the edges, a classic sign of underinflation, the rear sticks too well and causes severe understeer in the slippery stuff, the whole car feels like it's wobbling even with a perfect alignment due to sidewall flex, and my MPG rating takes a hit due to higher rolling resistance.
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A good everyday use tire pressure is between 32 and 35 psi.
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