?Sport King A/T Tire Pressure?

My son-inlaw bought a 1997 Silverado 4X4 which I'm planning to deliver to
him tomorrow -- 190 mile north.

Checking it over, I noticed one of the tires looked low so I checked them
all with my trusty gage. The low tire was 22psi but the other 3 measured
45psi each.

They are labled Sport King A/T Medalists 31x10.5R15LT. The maximum load is
2250lbs at 50psi cold.

What safe pressure should I set them to before hitting the road?

BTW, the door sticker specs the original tires at 35psi.

Thanks ahead!

Don Coon wrote:

My son-inlaw bought a 1997 Silverado 4X4 which I'm planning to deliver to
him tomorrow -- 190 mile north.

Checking it over, I noticed one of the tires looked low so I checked them
all with my trusty gage. The low tire was 22psi but the other 3 measured
45psi each.

They are labled Sport King A/T Medalists 31x10.5R15LT. The maximum load is
2250lbs at 50psi cold.

What safe pressure should I set them to before hitting the road?

BTW, the door sticker specs the original tires at 35psi.

Thanks ahead!


Tire pressure depends on a variety of facters - type of tire, load

weight, speed, etc. The maximum load on the side of the tire is just
that, maximum load. You'll need to adjust tire pressure to match the
vehicle use. I'd probably start out around 35 psi front and 37 psi rear
and adjust as needed. A tire pyrometer (expensive) or an infrared
thermometer (cheap) will help you set the pressure exactly. Temps should
be even across the tread width. Or, after the tires heat up drive
through a puddle of water and look at the tracks. They should be very even.

--
..boB
97 H-D FXDWG - Turbocharged!!
01 Dakota Quad Sport, 5.9/Auto/4x4
83 GMC Jimmy (beater)
66 427SC Cobra Replica - Project
66 Mustang coupe - Daily Driver



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".boB" <bobcowan (AT) codenet (DOT) net> wrote

Don Coon wrote:

My son-inlaw bought a 1997 Silverado 4X4 which I'm planning to deliver to
him tomorrow -- 190 mile north.

Checking it over, I noticed one of the tires looked low so I checked them
all with my trusty gage. The low tire was 22psi but the other 3 measured
45psi each.

They are labled Sport King A/T Medalists 31x10.5R15LT. The maximum load
is
2250lbs at 50psi cold.

What safe pressure should I set them to before hitting the road?

BTW, the door sticker specs the original tires at 35psi.

Thanks ahead!


Tire pressure depends on a variety of facters - type of tire, load
weight, speed, etc. The maximum load on the side of the tire is just
that, maximum load. You'll need to adjust tire pressure to match the
vehicle use. I'd probably start out around 35 psi front and 37 psi rear
and adjust as needed. A tire pyrometer (expensive) or an infrared
thermometer (cheap) will help you set the pressure exactly. Temps should
be even across the tread width. Or, after the tires heat up drive
through a puddle of water and look at the tracks. They should be very
even.

--
.boB

Thanks for the advise, Bob.

Unfortunately, I got it just after delivering the truck. The good news is
that I set them all at 37.5 or so based on a composite of similar postings
in the newsgroup over the past several years I retrieved via google.

I thought 45 was excessive and while adjusting them I noticed more wear in
the center of the tread than near the edge.

Thanks again,

Don