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Thread: Air Bags for rear suspension. Reply to Thread
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  Topic Review (Newest First)
06-21-2019 12:01 PM
Sock Puppet Something else to consider that I remember when shopping, is that some gooseneck hitches will interfere with the air bag brackets. Be sure to check that out if you have anything else mounted to the frame in that general area.
06-21-2019 11:37 AM
ZMANN i am not a fan of over the axle vs over the spring bags

some applications you have to use them but i built my own mounts for the 7500 bags since nothing was available at the time

06-21-2019 11:24 AM
rtr688 I'm buying these when the time comes. Life priorities changed, so won't "need" them for a bit longer.

https://www.amazon.com/Air-Lift-8839.../dp/B00B32DFEC
06-21-2019 10:47 AM
Sock Puppet I went and eye-balled them and it looks like about 3/4 to 1". I think I remember they came with spacer plates if you wanted constant contact but I decided not to install them.
06-21-2019 09:21 AM
ZMANN IIRC they had different set heights for either in contact at rest unloaded or for a better ride empty they have you leave like 1/2 inch

i actually lift my truck by maxing out the airbags and then put the pins in my mounts so that when i let some air off the bags the timbrens are preloaded

Timbrens sway a lot less than air bags ( only noticeable with top heavy bed loads )
06-21-2019 06:06 AM
Sock Puppet I'll need to check next time I get out there. I seem to remember about 1.5 - 2". Even with the 5th wheel attached, they don't seem to be compressed very much, but I can definitely tell they're working.
06-20-2019 07:41 PM
ZMANN how much room did you leave between the timbrens before it contacts your suspension ?
06-20-2019 06:30 PM
Sock Puppet Yeah, super heavy weight is a different ball game. The pin weight on my 5th wheel is around 1800 lbs and the Timbrens work very well, as they do with a ton of wood pellets in the bed. I like that I can tow the camper to hunting camp and not have to mess with air bag pressure while there (or suffer the ride).
06-20-2019 02:37 PM
ZMANN I have both Timbrens and air lift bags ( just upgraded to the 7500 lbs bags

the heavy duty F350 Timbrens couldn't handle the load and I spit one out so thy sent me a set for a much bigger truck ( Timbren company is super to deal with as is Airlift )

the Timbrens would be ok for a light load IMO say 3000 lbs or under then you could set up with a gap between unloaded and the contact when loaded so they would be virtually out of the picture until you tow or hit a big bump

I have my Timbrens on a hitch pin setup and can drop them 2 " when unloaded and this allows me to actually preload them when i put a load in the bed

as far as the airbags they are a must for me
06-20-2019 12:55 PM
ChrisSki I have airlift airbags. They help to level the load, but honestly, when I forget to inflate, I notice no change in the ride quality. Timbrens are a cheaper option, and supposed to be easier to install, but I think timbren carries the adjustable lead stabilizers anymore. I think they sold it to a Torklift because they make a stableoad that looks just like the timbrens, but I can't find timbrens manufactured anywhere. Although the airlift 5000 LBS air bags were "simple" to install, I spent quite a bit more time putting them on then the recommended installation time.
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