Towing air assist.

Yeah. I wondered about that. I use an Andersen WDH - works great. Sometimes it seems that air assist might be a nice addition to the Andersen, but after seeing the video, maybe not.
According to the data, if anything, it appears that airbags make things worse. They may make the truck look more "level" but they unload the front tires a lot more than a WDH.
 
Any change in ride from these with minimal psi and not trailering?
 
Just ordered a set. I'll provide updates once installed.
 
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This is my idea of a garage. WOW!!!!!
 
Any change in ride from these with minimal psi and not trailering?
Just got these installed last Friday. I am running them at 5 psi currently because my compressor will not allow me to go lower than that to 3. Me personal I do not like the ride of the truck. The back became stiff and jumpy for me at least. Its a matter of personal driving preference but the characteristics of the truck changed for me which I do not like so I plan on talking them off and only putting them on when I tow. It is recommended to be at 3 to 6 psi when not towing for stock feel so I am within range but the truck feels different and the rear also definitely sits higher than stock even at 5 psi. I have not been able to measure but to me it looks significant enough for me to notice it to the naked eye.
 
I watched the equalizer hitch video. I appreciate the data they provide. My perception is they were looking to prove that the WD hitch is a better solution than the AirBags. I do not disagree with their data. I do disagree if, the conclusion is that Airbags are not a good solution, or of additional assistance.

For a decade I towed a 24’ enclosed race trailer with car and tools. Total weight of 9,500 lbs, with and F250 Diesel. I used a combination of WD hitch and Airbags. For differing reasons over the years there were times when one of the two failed. I was still able to successfully tow to my destinations and return. By far the best towing solution was the combination of both airbags and WD hitch. Handling; braking, cornering, acceleration, and ride quality in cross winds were all superior when I had the WDH/AB combo. I also like having the ability to disconnect (or disengage) the WDH, when driving through sever dips where large articulation angles were necessary.

Just as with any car or truck, we need to adjust our driving style depending on the load we carry and where it is positioned. In racing, very slight changes in weight distribution, have major impacts on the handling of the car. Thus a driver must make changes to his driving and input as a cars handling characteristics change due to changes such as fuel burn. So equally we need to make adjustments to how we drive when towing. Any tool I can use to improve the handling of the TRX while towing is welcome.

I am very appreciative of the folks at Timber Grove for creating this kit. A WD hitch alone has not met my needs for towing a trailer in the mountains, so I am stoked to have another tool.

Thanks for posting this solution.
 
Simple physics dictate that a WD hitch is a better solution than air springs, or any other method that only keeps the rear from sagging.

I'm a huge fan of air suspension, but there's more to it when it comes to towing.
 
Just got these installed last Friday. I am running them at 5 psi currently because my compressor will not allow me to go lower than that to 3. Me personal I do not like the ride of the truck. The back became stiff and jumpy for me at least. Its a matter of personal driving preference but the characteristics of the truck changed for me which I do not like so I plan on talking them off and only putting them on when I tow. It is recommended to be at 3 to 6 psi when not towing for stock feel so I am within range but the truck feels different and the rear also definitely sits higher than stock even at 5 psi. I have not been able to measure but to me it looks significant enough for me to notice it to the naked eye.
5 PSI results in lift - Assume the air bags are 6" in diameter:
3.1416 x 3 x 3 = 28.3 sq-in
28.3 sq-in x 5 psi = 142 pounds per side. Total lift is 282 pounds.
This would no doubt change ride feel and raise the back end.
 
I'm at 4 psi. Empty it sits 0.5" higher at the hitch (stock TRX truck, 38psi in tires). Ride quality is good to me and I like the way it handles the truck, especially on hard accel.
 
Just got these installed last Friday. I am running them at 5 psi currently because my compressor will not allow me to go lower than that to 3. Me personal I do not like the ride of the truck. The back became stiff and jumpy for me at least. Its a matter of personal driving preference but the characteristics of the truck changed for me which I do not like so I plan on talking them off and only putting them on when I tow. It is recommended to be at 3 to 6 psi when not towing for stock feel so I am within range but the truck feels different and the rear also definitely sits higher than stock even at 5 psi. I have not been able to measure but to me it looks significant enough for me to notice it to the naked eye.
Lower the pressure to 2 pounds and you’ll be fine. I installed a set of air bags over the weekend and at five psi you can absolutely see the back into the truck come up. I let the air out until it started to settle back to normal height and that was just under 3 pounds so I put it at 2 pounds and Collett a day and it drives like stock.
 
How do you feel about the practicality of pulling them on and off for infrequent towing?
I don’t think that’s practical. They’re kind of a pain in the butt to put in place and taking them in and out would definitely be a hassle. I’m planning on leaving mine in. I might take them out for the winter when I don’t toe but other than that they’ll stay in it all summer.
 

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