Tembren Suspension Question
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Joined: Nov 2012
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From: NC's Outer Banks
Tembren Suspension Question
I've been looking at air bags vs Tembren. I like the ease and convenience of the Tembren but I have a question.
Since this product replaces the bump stop, does it make constant contact with the axel when under the load of a fifth wheel? And is there any spring travel at that point?
Thanks in advance for any insight. My new F250 squats a little more than I'd hoped with my Raptor fifth wheel. Pulls fine, but want a more level ride.
Since this product replaces the bump stop, does it make constant contact with the axel when under the load of a fifth wheel? And is there any spring travel at that point?
Thanks in advance for any insight. My new F250 squats a little more than I'd hoped with my Raptor fifth wheel. Pulls fine, but want a more level ride.
Hotshot
Joined: Jan 2010
Posts: 10,060
Likes: 491
From: Bristol, TN.
I've been looking at air bags vs Tembren. I like the ease and convenience of the Tembren but I have a question.
Since this product replaces the bump stop, does it make constant contact with the axel when under the load of a fifth wheel? And is there any spring travel at that point?
Thanks in advance for any insight. My new F250 squats a little more than I'd hoped with my Raptor fifth wheel. Pulls fine, but want a more level ride.
Since this product replaces the bump stop, does it make constant contact with the axel when under the load of a fifth wheel? And is there any spring travel at that point?
Thanks in advance for any insight. My new F250 squats a little more than I'd hoped with my Raptor fifth wheel. Pulls fine, but want a more level ride.
Steve
Posting Guru
Joined: Nov 2002
Posts: 1,222
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From: Texas
I had them on an '04 350 srw, and changed them over to an '07 350 drw--same Timbrens worked well on both trucks. There was about 1/2" clearance on the dually with the heavy fiver on it. Ride was not affected when not loaded. I really liked them.
Traded for an '09 450 and put them on (new set, old ones did not fit)--first set had NO clearance, sat on axle even when unloaded. They changed out the donuts for smaller ones that gave me clearance, but they are still too stiff on this truck when loaded.
There are several different approaches to reducing rear squat and all of them are somewhat pricey for what seems to be involved in the equipment, but I don't have any experience with any but the Timbrens.
The Timbrens are extremely easy to install, not even having to raise the truck.
Joe
Traded for an '09 450 and put them on (new set, old ones did not fit)--first set had NO clearance, sat on axle even when unloaded. They changed out the donuts for smaller ones that gave me clearance, but they are still too stiff on this truck when loaded.
There are several different approaches to reducing rear squat and all of them are somewhat pricey for what seems to be involved in the equipment, but I don't have any experience with any but the Timbrens.
The Timbrens are extremely easy to install, not even having to raise the truck.
Joe
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Joined: Jul 2011
Posts: 543
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From: Michigan
We offer our AirCell product line, which is a very comparable product to Timbrens. They are a simple install and work pretty well. But if you want adjustability, air bags are what you'll want to use. Once I know your truck year and if it's 2WD or 4WD, I can find the kits for you. We are actually running a special on our air bag and compressor kits right now. You can learn more here: Air Lift Rebate. Let me know if you have any questions.
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From: SW Virginia
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Post Fiend
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NOW you offer a special ?!? 
to the OP,
I tried the RAS, returned them,
researched the timbrens, but wasn't sold on them,
and ended up buying and installing the Airlift bags and glad I did !
Nornally run around with 5 psi on them, but can easily put 100 PSI to support my heavy 5er... or anything in between...
fyi, I opted not the get the compressor at the time and now wish I had, but with both airbags on separate air circuits, ran the air tubes to either side of my license plate and they are protected and easy to get to...
to the OP,
I tried the RAS, returned them,
researched the timbrens, but wasn't sold on them,
and ended up buying and installing the Airlift bags and glad I did !
Nornally run around with 5 psi on them, but can easily put 100 PSI to support my heavy 5er... or anything in between...
fyi, I opted not the get the compressor at the time and now wish I had, but with both airbags on separate air circuits, ran the air tubes to either side of my license plate and they are protected and easy to get to...
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Fleet Mechanic
Joined: Apr 2008
Posts: 1,724
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From: Vancouver BC Canada
Timbrens are great. Used them with an f150 towing a fifth wheel, and a super duty with a slide-in camper. Do an excellent job of keeping the truck level and helping to reduce sway. One of the biggest benefits is that you don't have to do anything, no airing up or down. There when you need them and out of the way when you don't.
For those who found them to be stiff while unloaded, you have installed them incorrectly. They are designed to sit 1/2-1"above the axle when unloaded, so the suspension is unaffected. They only come into play when the suspension compresses enough to bring the spring into contact with the axle. Simple.
One negative is in offroad flexibilty. The springs reduce articulation in the suspension,
For those who found them to be stiff while unloaded, you have installed them incorrectly. They are designed to sit 1/2-1"above the axle when unloaded, so the suspension is unaffected. They only come into play when the suspension compresses enough to bring the spring into contact with the axle. Simple.
One negative is in offroad flexibilty. The springs reduce articulation in the suspension,
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