Best air bag setup to use w/ pure 4" chase system - Ford Powerstroke Diesel Forum
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post #1 of 11 Old 07-01-2013, 05:04 PM Thread Starter
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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!!!

2012 F250 King Ranch
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post #2 of 11 Old 07-02-2013, 05:38 AM
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Carli makes a lifted bag setup, thats what I would use............

'13 F250 CCSB Black/Black: Carli Starter & Stabilizer, Minimaxx, S&B intake, 5" FloPro, egr blocker, BMF Rehabs, Toyo AT IIs, Titan 50gl Tank, Amp steps, Blacked Out Tails/3rd/Markers, Full Custom Sound
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post #3 of 11 Old 07-02-2013, 08:01 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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post #4 of 11 Old 07-02-2013, 08:38 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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post #5 of 11 Old 07-02-2013, 08:52 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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post #6 of 11 Old 07-02-2013, 09:00 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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post #7 of 11 Old 07-02-2013, 11:16 AM
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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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post #8 of 11 Old 02-13-2014, 03:28 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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post #9 of 11 Old 02-13-2014, 03:33 PM
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I have mine on a 5" block..but its a pre '05 axle setup...
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post #10 of 11 Old 02-14-2014, 07:10 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

2013 F250 CCLB FX4 4" PURE PERFORMANCE
2013 F150 FX4 LEVELED 285'S
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