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Old 08-28-2014, 03:37 PM   #1
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Increase tire pressure?

Do you increase your tire pressure when pulling your TT? My standard tire pressure is 35 lbs. in each tire....If I am suppose to increase, how much should I increase it too? Thanks!
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Old 08-28-2014, 03:55 PM   #2
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I don't. I run everything at the pressure specified on the spec sticker.
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Old 08-28-2014, 07:01 PM   #3
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I run mine at the MAX specified when towing. And will lower the pressure when not towing for a little better ride. My TV is also my daily driver a 3500 ram.
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Old 08-28-2014, 08:00 PM   #4
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Rear tires up to 65lbs on my 2500 when towing, back down to 45 when I'm done

It's important to do this as it protects/ offsets the downward force on the sidewalls and potentially prevents blowout

Not sure what kind of weight you are carrying, but my 5er and gear add approx 1400 lbs to the payload
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Old 08-28-2014, 09:10 PM   #5
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Rear tires up to 65lbs on my 2500 when towing, back down to 45 when I'm done

It's important to do this as it protects/ offsets the downward force on the sidewalls and potentially prevents blowout

Not sure what kind of weight you are carrying, but my 5er and gear add approx 1400 lbs to the payload
Are your recommended tire pressures 45 psi, or does it ride better at that level? Just wondering where you got that number for everyday driving.
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Old 08-28-2014, 09:10 PM   #6
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It's said in some circles that if you up your tire pressure to the max sidewall pressure you get a more stable ride while towing because it makes the tire stiffer and thus less susceptible to sidewall flex. I've been running mine at 44 lbs towing, and it seems to give just a shade more stable ride. But empty it's pretty rough. I assume that since you're spec'd pressure is 35 that you're talking about P-rated tires, and it's the P rating that gives them squishy sidewalls. Also please note that the increased pressure over doorsill spec does not increase the load capacity of the tire.
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Old 09-05-2014, 11:12 PM   #7
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Inflate to the pressure recommended for the load the tire will be carrying. It really is that simple, and there is no hard and fast rule. Each rig will be different.
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Old 09-06-2014, 12:37 AM   #8
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Are your recommended tire pressures 45 psi, or does it ride better at that level? Just wondering where you got that number for everyday driving.
Rear Tire pressure is 45psi when not towing..
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Old 09-06-2014, 08:28 AM   #9
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Are your recommended tire pressures 45 psi, or does it ride better at that level? Just wondering where you got that number for everyday driving.
OEM says 70/40. ( ft/ back) for my Ram 2500 for unloaded.

I have gone up 2 sizes in tires, and experimenting with pressure , ft end forward pitch, and the addition of rear airbags, I find that 70/45 works well for everyday use.

70/65 when towing, with air bags at 45lbs.
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Old 09-06-2014, 10:11 AM   #10
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The specified tire pressure for my half ton truck is 35 psi, front and rear. When driving the truck unloaded (which is nearly always), I run 35 in the front and 28-30 in the rear.

Any time I hook this truck up to a trailer, I increase the rear to 65 and the front to 55.


My dually is used exclusively for towing. I keep the rear at 75 and the front at 65.
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