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Old 06-19-2013, 10:18 PM   #1
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air bags vs 5th wheel air pin box?

I'm debating whether to install air bags on my 2011 GMC 2500HD 6.6L Duramax or replacing the 5th wheel hitch with a Trailair air pin box to smooth my ride. Any idea which system improves ride quality more?
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Old 06-19-2013, 10:21 PM   #2
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I'm debating whether to install air bags on my 2011 GMC 2500HD 6.6L Duramax or replacing the 5th wheel hitch with a Trailair air pin box to smooth my ride. Any idea which system improves ride quality more?
IMO I'd start with air bags.
What a difference when I added mine.

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Old 06-20-2013, 08:03 AM   #3
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The pin box probably will quiet the ride down more than the air bags. But if you have any squat, the air bags will probably help as well. If you can, I'd do both. But if you can only do one, I'd start with the pin box.
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Old 06-20-2013, 09:49 AM   #4
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Air bags would give you overall more flexibility as far as towing anything else or if you were to be putting other loads in the bed of the truck.
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Old 06-20-2013, 10:46 AM   #5
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I found out putting shocks on the trailer did more than anything to smooth out the ride. It is a lot of work, but IMO, the best bang for the buck! I already had airbags. They stopped all the 'dolphining and chucking' and smoothed the ride out in both the truck and 5er.
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Old 06-20-2013, 11:01 AM   #6
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Can you fill us in more on what your rig consists of? What Camper? What Hitch?

Air bags are going to help stiffen the ride... So if you are wanting to smooth out a kind of squishy wavy feel in the rear end then air bags would be the way to go. If the ride is sort of hard currently and feels more like the camper is beating up on the truck then the trailair would be more affective to help solve that.

If you are pulling a fairly hefty 5er I would highly recommend air bags regardless. Several people have used the timbren springs and say they like them. I would prefer to have the ability to adjust the height of the back of the truck as well as stiffness of the ride with air pressure. vs the timbrens that are an install and forget product.
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Old 06-20-2013, 11:11 AM   #7
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Don't understand the reluctance to address the issue at the source of the problem and that is the trailer's suspension being uncontrolled. No other vehicle has an uncontrolled suspension. Even top line boat trailers have shocks as do top line rv trailers like Airstream.
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Old 06-20-2013, 11:59 AM   #8
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We're preparing to leave tomorrow for our first long trip (2800 miles). We have the Firestone air bags (Highly recommended!); but we wanted to soften the ride a bit, so we had the dealer install a Trail Air pin yesterday. Now the 5er sits four inches higher in front than in the rear, so today it's spacers to bring the rear end up. Seems there's always something else to drain the wallet.
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Old 06-20-2013, 12:00 PM   #9
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Cause it's more work, than bags.. I think its the better solution to, including the bounce if the trailer itself...
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Old 06-20-2013, 12:01 PM   #10
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Originally Posted by Scratch View Post
We're preparing to leave tomorrow for our first long trip (2800 miles). We have the Firestone air bags (Highly recommended!); but we wanted to soften the ride a bit, so we had the dealer install a Trail Air pin yesterday. Now the 5er sits four inches higher in front than in the rear, so today it's spacers to bring the rear end up. Seems there's always something else to drain the wallet.
Can you not lower the hitch in the truck?
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Old 06-20-2013, 12:21 PM   #11
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I'm with Oldcoot... see if you can lower the hitch in the truck and or raise the pin box up!... I'd hate to lift the camper up higher... Brings in all sorts of other issues...
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Old 06-20-2013, 08:54 PM   #12
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I have the same truck. Installed Firestone bags and I am satisfied with results. Did it myself in driveway. Took about 4 hours.
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Old 06-20-2013, 09:55 PM   #13
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Can you not lower the hitch in the truck?
That was our first course of action yesterday. Much of the problem lies in the fact that it is a 4X4 with the camper package which makes the truck sit higher than a comparable 4X2.

We picked it up late this afternoon after installing the spacers and the trailer now sits near level. Great ride on the drive home helped to calm the frustration of drain, once again, on the ole wallet.

Just packed up and we're almost ready to head out tomorrow morning for our first long trip... 1st stop, Lake Livingston, TX...
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