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Posted: 8/31/2005 2:43:42 PM EDT
In these days of ruinous gasoline costs one must do whatever  is necessary to save a few bucks in gas.  I noted that the Chrysler reccommended tire pressure for my car is 35 psi cold.  The tire has a listing of 44 psi max.

So the question is: Should I stick with the list 35 psi or jack it up to 44 psi? Which would get me better fuel economy?
Link Posted: 8/31/2005 2:45:12 PM EDT
[#1]
Chrysler didn't design your tire, go with what the tire says

Scott
Link Posted: 8/31/2005 2:48:00 PM EDT
[#2]
Link Posted: 8/31/2005 2:50:13 PM EDT
[#3]
Wrong. Chrystler did design the car, and therefore the weight and weight distribution on the tires. Always follow manufacturers recomedations.

My car is suposed to be inflated to 29psi, andI have max 52psi tires on the car. If I follow the tire that car would handle horrible and the tires would wear completly in the middle only. Tire pressure is designed to keep the tires with the proper footprint.
Link Posted: 8/31/2005 2:50:40 PM EDT
[#4]
I have a Dodge Ram 2500 CTD and I run 55 in the front and 45 in the rear even though the tires rate up to 80. For an empty truck, 80 psi makes the tires wear too fast in the center of the tread.
Link Posted: 8/31/2005 2:52:52 PM EDT
[#5]
Hell, just jack it up to about 100 psi with helium and double your gas milage!!
Link Posted: 8/31/2005 2:53:09 PM EDT
[#6]
What you save in gas by reducing resistance by max inflation will be eaten up by excessive tire wear.
Link Posted: 8/31/2005 3:34:40 PM EDT
[#7]

Quoted:
Chrysler didn't design your tire, go with what the tire says

Scott




The tire manufacturer didn't design the rest of the car that rides on that tire.



Notice...   it's a max pressure, not a recommended pressure.
Link Posted: 8/31/2005 6:54:05 PM EDT
[#8]
However, I wouldn't have less than 80% of the max press. in the tire.  Less than 80% and it's considered flat by the tire industy.
Link Posted: 8/31/2005 7:11:12 PM EDT
[#9]
Maximum pressure is for the maximum load for which the tire is rated.

Radial tires run at lower pressures.

Use some sense.
Link Posted: 8/31/2005 7:18:34 PM EDT
[#10]
Go with the vehicle recomendations, not the tire.  My Chevy says 30 psi but the tires say 50 max.  At 50 the thing rides like crap and handles worse.  I know I can't spell.
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