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Towing 4th Gen Dodge Ram Towing Questions


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  #1  
Old 10-06-2013, 09:12 PM
vancat74 vancat74 is offline
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Default Towing Tire Pressure

I have a 2013 Ram 1500 Sport with the stock tires. I have my first tow coming up, i will be towing a 34ft trailer thats dry weight is 7k loaded should be around 7.5k. I have 3.92s, WDH, brake controller, and Air Lift 1000. I am wondering how much air i should run in my tires? I am currently running 40psi for daily driving.
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Old 10-06-2013, 09:41 PM
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I run 44 year round or whatever the max pressure is. Never less than 2 pounds under max. I seem to get my best mileage that way and don't have to worry about having low tire pressure. The ride is still great. Tires wear even as I rotate every 7500 miles.
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Old 10-07-2013, 08:22 AM
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Run your tires at the pressure that is listed on the drivers side door.
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Old 10-07-2013, 01:53 PM
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Quote:
Originally Posted by gcscott View Post
Run your tires at the pressure that is listed on the drivers side door.
This is what I do. Reason being is this is the tire pressure the manufacturer has found through testing to be optimal for the vehicle. The tire pressure imprinted on tires, is the maximum pressure rated by the tire manufacturer for the specific tire.
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Old 10-08-2013, 09:10 AM
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The door sticker is probably fine for the crappy factory car tires. But, towing a 7K trailer on those tires, I'd personally inflate them to the max. cold psi listed on the sidewall of the tire.

Totally ignore the door sticker once you switch to LT tires, which, you should, if you'll be towing that trailer much. The tongue weight is probably around 1000lbs.

My TT is only 5600lb GVWR with a TW of 700lbs. The tires on my truck are E rated, with a max. inflation of 80 psi. I inflate the rears to 65 psi for towing. If my trailer were heavier, like yours, I'd probably inflate them to 75 psi.

And of course, the trailer tires are always inflated to the max. cold psi listed on the sidewalls.

When not towing, chalk testing got me to around 40 psi all around for even wear, which also rides a lot nicer than 65 psi, so that's where I run them day to day.

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Old 10-08-2013, 09:13 AM
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Quote:
Originally Posted by Hermes1 View Post
The tire pressure imprinted on tires, is the maximum pressure rated by the tire manufacturer for the specific tire.
Correct. But it should also be noted that the max. weight carrying capacity listed on the tire is rated at max. inflation. Less than max. inflation = less than max. weight rating. With a tonque weight around 1000lbs, plus the weight of the truck and whatever cargo is aboard, all on crappy stupid weak tires, I'd personally be all for ignoring the doors sticker and going for max. inflation for max. weight handling.

Just my opinion though...

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Old 10-09-2013, 11:39 PM
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I do plan to get new tires soon. The dry hitch weight of my trailer is 700lbs.
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Old 10-10-2013, 08:59 AM
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If it's 700 dry, then it's probably closer to 1,000 ready to go. It better be, on a 7.5K pound TT.

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Old 10-10-2013, 12:55 PM
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I go to the max rating on the tire when towing heavy.
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Old 10-10-2013, 03:07 PM
Outdoorsman2012 Outdoorsman2012 is offline
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Quote:
Originally Posted by DAA View Post
The door sticker is probably fine for the crappy factory car tires. But, towing a 7K trailer on those tires, I'd personally inflate them to the max. cold psi listed on the sidewall of the tire.

Totally ignore the door sticker once you switch to LT tires, which, you should, if you'll be towing that trailer much. The tongue weight is probably around 1000lbs.

My TT is only 5600lb GVWR with a TW of 700lbs. The tires on my truck are E rated, with a max. inflation of 80 psi. I inflate the rears to 65 psi for towing. If my trailer were heavier, like yours, I'd probably inflate them to 75 psi.
I
And of course, the trailer tires are always inflated to the max. cold psi listed on the sidewalls.

When not towing, chalk testing got me to around 40 psi all around for even wear, which also rides a lot nicer than 65 psi, so that's where I run them day to day

- DAA
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Since my truck is an outdoorsman with 17" rims it came stock with e range tires. I have 29' camper with a wet tongue weight of 900lbs reduced to 740 once wdh is hooked up. I run between 65-70 psi in all 4. My door sticker states 43 psi for the e range tires but running a tire at a low pressure causes heat to generate.

If I had the stock tire I would always have them at 44 while towing especially a 8k lb camper. With all that tongue weight you can easily bottom out that cheap stock tire with 20" rims. I would also look into getting heavier tires when those wear out or buy a set of extra rims. Good luck let us all know how your towing experience goes, and give us some pics. I'm camping this weekend and it will most likely be our last time of the season

Last edited by Outdoorsman2012; 10-10-2013 at 04:12 PM.
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