Best air bag setup to use w/ pure 4" chase system - Ford Powerstroke Diesel Forum
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  #1  
Old 07-01-2013, 06:04 PM
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Best air bag setup to use w/ pure 4" chase system

Hey gang-- im going to be installing a pure 4" chase system (which is a full leaf replacement in the rear) on my f250 hopefully soon.....(ive only had it sitting in the shop for 4 months lol) im wanting to pair a real good airbag setup on the rear so I can easily tow my 30' camper 27' boat, my skidsteer and mini excavator w/o any worries. I know theres the firestone ones, and the like, and I know carli makes a nice setup, anybody know much about these or have any recommendations? Or should I scrap the airbag idea and go w/ an overload spring setup to handle the extra weight? Thanks gang!!!
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Old 07-02-2013, 06:38 AM
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Carli makes a lifted bag setup, thats what I would use............
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Old 07-02-2013, 09:01 AM
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Firestones will ruin the ride and limit the travel of your system if you do the double-bellow with fixed axle perch. If you go with a firestone bag and daystar cradle, the rear can droop with fear of limiting down-travel or tearing the bag. This option will still leave you with a GIANT bump stop in the rear and the minimum operating pressure will severely hinder compression travel.

Unless there's an overload engineered into Pure's leaf pack, I wouldn't go reinventing their wheel as that can very easily ruin the ride quality. Your truck will also be level after the lift (i assume) and an overload only catches after 2-3" of sagging meaning you'll still be head-light to the sky with an overload.

If you run our airbags, you can get an un-hindered 12" of travel when unloaded and pump them when you need them. This will require you to run our bump-drop in the rear to ensure you do not over-compress the bags.
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Old 07-02-2013, 09:38 AM
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Any air bag kit you want just use a daystar air bag cup. Decouples the bottom of the air bag from the springs will not affect the ride quality when enpty. They work great.
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Old 07-02-2013, 09:52 AM
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Quote:
Originally Posted by CT Performance, Inc. View Post
Any air bag kit you want just use a daystar air bag cup. Decouples the bottom of the air bag from the springs will not affect the ride quality when enpty. They work great.
It will still affect up-travel when running minimum pressure. Down travel is the only unhindered stroke.
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Old 07-02-2013, 10:00 AM
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Very miminal at best I use it and no difference in the ride quality and with the daystar cup you can run the bags empty.
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Old 07-02-2013, 12:16 PM
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On of my distributors has these on his rig and, even emptying them and disconnecting the airline from the compressor affects compression travel. The bags cannot empty quick enough as the 1/4" airline causes a bottleneck and resists uptravel. Whether or not this is a concern is dependent on how much bucking you can handle out of the rear end; if you're off-road a lot, it will get irritating but the on-road guy may rarely notice it. Not an argument, just food for though.

There was a substantial difference when the airline was disconnected, though.
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Old 02-13-2014, 04:28 PM
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What's the best way to use the firestone and daystar cradle when using a larger block. I mocked mine up and the lower bracket doesn't look like its adjustable enough to work with the 5" block.

Brett
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Old 02-13-2014, 04:33 PM
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I have mine on a 5" block..but its a pre '05 axle setup...
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Old 02-14-2014, 08:10 AM
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Quote:
Originally Posted by CT Performance, Inc. View Post
I have mine on a 5" block..but its a pre '05 axle setup...
The bump stop perch sits to high for the lower bracket to be flush against the axle.

Brett
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