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Old 08-21-2011, 09:37 PM   #1
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Tow Air Bags Modification

Ok guys I just wanted to drop a thread out there to let folks know that my tow bag mod is complete.
I installed a set of AirLift 5000 airbags last weekend and finished up this weekend with a Airlift air compressor kit. Now when I need more compacity in the rear of my truck I just hit a switch and watch the guage I installed in my dash to what ever air pressure I need, it's really pretty neat.
One thing I would suggest to anyone who might be thinking of doing this Mod yourself, go to your local supplier and buy you some good quality 1/4in T fittings. Every T I installed that came with the air compressor kit leaked. So I had to replace 4 T-fittings with better ones.
This diffently is a do-It yourself project but be prepared to spend some time on it as it was a all weekend project for me.:hihi:
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Old 08-21-2011, 11:48 PM   #2
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I had a shop install my Firestone bags and they didn't use any T fittings. They made each one seperate with the explanation that a failure on one side will not affect the other.

I havn't had a chance to use them yet but next month we will start heading South.
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Old 08-22-2011, 06:05 AM   #3
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I have to agree with clutch.. T fittings are not good.. they allow the air to "migrate" from one side to the other... so as you say go around a corner the air will go from the bag on the inside of the curve to the one on the outside causing an uneven load.
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Old 08-22-2011, 09:54 AM   #4
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I have T fittings with both sides of the truck being separate. The T fittings I have are between the bag, the manifold (and compressor), and the valve for manual filling. I could have just left out the manual fill valve, but wanted them as a backup in case the compressor ever goes out and I need to do some hauling.
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Old 08-22-2011, 09:32 PM   #5
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I understand what you're telling me about air moving through the system. But is this a critical issue and how would you suggest I fix it?
I want to make sure my system is connected correctly.
I only have the one valve on my compressor I didn't see the need in spending the extra money for the dual valve compressor. Was this a wrong diccision.?
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Old 08-22-2011, 10:07 PM   #6
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Quote:
Originally Posted by yddad45 View Post
I understand what you're telling me about air moving through the system. But is this a critical issue and how would you suggest I fix it?
I want to make sure my system is connected correctly.
I only have the one valve on my compressor I didn't see the need in spending the extra money for the dual valve compressor. Was this a wrong diccision.?
I don't think you made a bad decision, I have air bags with a single valve compressor and it has a T fitting dividing the bags. This is exactly how firestone wants the bags system installed and makes no mention of NOT using the "T" they provide. I have used this setup for thousands of miles under heavy loads and they have worked flawlessly, no shift or uneveness.
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Old 08-23-2011, 08:06 AM   #7
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Quote:
Originally Posted by yddad45 View Post
I understand what you're telling me about air moving through the system. But is this a critical issue and how would you suggest I fix it?
I want to make sure my system is connected correctly.
I only have the one valve on my compressor I didn't see the need in spending the extra money for the dual valve compressor. Was this a wrong diccision.?
many many shops recommend running separate lines to each bag from you holding tank... now yes it may be a purest thing but I always put safety first..
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Old 08-23-2011, 04:36 PM   #8
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many many shops recommend running separate lines to each bag from you holding tank... now yes it may be a purest thing but I always put safety first..
My system did not come with a holding tank. I installed two tow bags and a air compressor which applies direct air pressure to the tow bags. The air tank system was another two hundred dollar plus upgrade. Not that I was trying to skemp cost but I was trying to skemp cost.
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