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Old 02-18-2011, 03:05 PM   #1
earl9653
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Tire pressure

I have a Flight 22FB with "C" rated tires. I believe the max cold inflation is 50psi. The current cold pressure is 45psi. My question is, if this is properly inflated or do I need to take it up to 50psi?
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Old 02-18-2011, 03:51 PM   #2
Terry
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There is a sticker on the side of the trailer with the recommended tire pressure (mine is 50). That is where you should keep it. If you ever have a warrant issue or problem, they can't blame it on improperly inflated tires either.
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Old 02-18-2011, 05:58 PM   #3
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You should run the maximum pressure stated on the sidewall of the tire. They will run cooler and you will get the best mileage.
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Old 02-22-2011, 07:57 PM   #4
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I have heard this argument ad nauseum and never got a definitive answer. Tire guys say sidewall pressure and some trailer folk say not over 55# and never never drive faster than the tire pressure.

So take your pick. I inflate to 60 and drive 60-65 staying lower in hills instead of letting the tow/haul/cruise control rev the engine to 4K.

Regards,
Jim
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Old 02-22-2011, 08:17 PM   #5
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Our old trailer had load range E tires and I kept them at 80lbs. Never did go 80mph. Trailer tires are only rated for a max speed of 65mph. Most states have a trailer speed limit the same as the truck speed limit.
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Old 02-22-2011, 08:36 PM   #6
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Like my new treads on the TT are Load Range D's so they are MAX'ed out at 65 PSI and I normally don't drive over 60 MPH with mine.

The way to verify your tire pressure is take tire crayon and mark across the face of the tire and then drive for a short distance (about 5 miles) and see if the crayon is wore off. If wore more off the outsides the pressure is too low. If wore more out of the center pressure too high. Wore completely off pressure good... (Old Tymer trick)
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Old 02-22-2011, 11:21 PM   #7
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I only inflate our TT tires to the pressure on the TT sticker.
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Old 02-23-2011, 09:34 AM   #8
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Quote:
Originally Posted by obrienj View Post
I have heard this argument ad nauseum and never got a definitive answer. Tire guys say sidewall pressure and some trailer folk say not over 55# and never never drive faster than the tire pressure.

So take your pick. I inflate to 60 and drive 60-65 staying lower in hills instead of letting the tow/haul/cruise control rev the engine to 4K.

Regards,
Jim
So should I drive my car (22 lbs tires) at 22 mph?
The max tire inflation listed on the sidewall is the very max you should use... IF you are loaded to less than that then you can have less pressure in the tires for better mileage and wear... The company "A Weight We Go" used to weigh rigs and suggest proper tire pressures...
All ST tires are rated for a max speed of 60 mph... anything more is playing with your life and those around you....
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Old 02-23-2011, 12:37 PM   #9
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Quote:
Originally Posted by obrienj View Post
I have heard this argument ad nauseum and never got a definitive answer. Tire guys say sidewall pressure and some trailer folk say not over 55# and never never drive faster than the tire pressure.

So take your pick. I inflate to 60 and drive 60-65 staying lower in hills instead of letting the tow/haul/cruise control rev the engine to 4K.

Regards,
Jim

I would go with what the "Tire Guy" says, sidewall pressure. Different size and load rated tires call for different pressures. The ST tires and the sticker on my TT say max pressure 50lbs. That`s where I keep them inflated to. I would not go above max pressure. -Lee
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Old 02-23-2011, 07:57 PM   #10
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I can't believe that our trailer only has 15in tires. I think it should have 16in tires and a load range of E. With a weight of just over 11,000 lbs and a hitch weight of 1,200 lbs that is asking a lot of 4 tires to support nearly 2,500 lbs each.
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