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Old 07-10-2012, 06:59 AM   #71
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And..my reason for adding 2 leaf springs vs. airbgs..1/2 the cost ..and airbags have sometimes developed pin holes ..1 good airbag would not be much help if having to tow 1,100 miles back home
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Old 07-10-2012, 03:32 PM   #72
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And..my reason for adding 2 leaf springs vs. airbgs..1/2 the cost ..and airbags have sometimes developed pin holes ..1 good airbag would not be much help if having to tow 1,100 miles back home
Was going to get airbags but decided with timbrens instead. I found this to be a tough decision but I do not like the worries of air leaks and adding air.
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Old 07-10-2012, 03:43 PM   #73
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Went with Airlift airbags and onboard compressor 15 yrs ago while towing a racecar trailer. Put them on a 95 Silverado, then a 2000 Silverado and they are now on a 2005 Silverado. Never had a leak.
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Old 07-10-2012, 03:46 PM   #74
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I just installed a set of timbrens.Don't now how they work yet as we haven't been out camping since I added them.They don't seem to affect the ride of the unloaded truck any,as it still seems to drive like a luxury car.Gotta love those Rams.Maybe I shouldn't be writing this as I don't have a 5th wheel'but it is a fairly heavy tt with a high tongue weight.
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Old 07-10-2012, 03:55 PM   #75
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I just installed a set of timbrens.Don't now how they work yet as we haven't been out camping since I added them.They don't seem to affect the ride of the unloaded truck any,as it still seems to drive like a luxury car.Gotta love those Rams.Maybe I shouldn't be writing this as I don't have a 5th wheel'but it is a fairly heavy tt with a high tongue weight.
a friend of mine has Timbrens on a 07 F150 supercrew and is towing a 33ft 2 slide Rockwood TT ..he has nothing but praise for the Timbrens..
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Old 07-10-2012, 09:05 PM   #76
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a friend of mine has Timbrens on a 07 F150 supercrew and is towing a 33ft 2 slide Rockwood TT ..he has nothing but praise for the Timbrens..


I vote for the Timbrens. Keeps the truck level under load and maintenance free. No compressors. Just install and forget. No noticeable difference in ride when not connected to 5er.
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Old 07-10-2012, 10:09 PM   #77
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Timbrens getting installed on Thursday. How is the ride when fully loaded?
Another question, since I've got the dreaded 20inch tires (worst, changed to the Michelins 275/65R20 for lack of a good 10 ply tire in my size), is there a minimum required clearance between the fender and the tire? before timbrens, I measured a 3 inch sag, I hope timbrens take most of the sag away.
Also measured a quarter of an inch sag on the front.
Last question, I realize that there is no weight distribution with a 5th wheel but there must be "some" weight sent to the front if I have a 1/4 of an inch sag?
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Old 07-10-2012, 10:20 PM   #78
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Last question, I realize that there is no weight distribution with a 5th wheel but there must be "some" weight sent to the front if I have a 1/4 of an inch sag?
Very little weight is transferred to the front axle as the kin pin centreline is right over the rear axle or 1-2 inches in front of it. Last time I weighed our set-up, the front axle weight increased 20 lbs when hitched.

You can adjust the amount of air gap between the trimbrens and the rear axle using shims provided to adjust the amount of sag when loaded.

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Old 07-11-2012, 08:45 AM   #79
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Timbrens getting installed on Thursday. How is the ride when fully loaded?
Another question, since I've got the dreaded 20inch tires (worst, changed to the Michelins 275/65R20 for lack of a good 10 ply tire in my size), is there a minimum required clearance between the fender and the tire? before timbrens, I measured a 3 inch sag, I hope timbrens take most of the sag away.
Also measured a quarter of an inch sag on the front.
Last question, I realize that there is no weight distribution with a 5th wheel but there must be "some" weight sent to the front if I have a 1/4 of an inch sag?

When I added the Timbrens, there was about a 1 1/2" gap between timbrens and axle. When the 5er is hooked up and truck loaded, the truck squats about 1 1/2" inch eliminating that gap. Still plenty of clearance for the tires in the wheel wells. The front axle squats about 1/2 ". I know there is a lot of discussion on this forum about weights and limits, but I don't think that the science is that exact that you have to worry about 1" or a few lbs. here or there. All the numbers and lengths are general guidelines with some latitude to play with. If I read this forum too much before I made a camper or truck purchase, I would have shied away and bought myself a smart car with a roll cage. It is important not to overload, but I think more important to drive with due care and caution and to the given road conditions and allow yourself plenty of room. REMEMBER, DRIVE SAFELY, ARRIVE ALIVE.
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Old 07-11-2012, 10:56 AM   #80
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I tow an '08 Rockwood 8265S 5th wheel with an '06 Silverado Ext. Cab 1500. The truck has the 5.3l V8 with towing pkg and 3.23 axle ratio. When towing I keep the truck in 3rd gear (because of the high speed gear ratio) and use the tow/haul feature. I did install a set of timbrens on the truck and they work flawlessly. My main reason for going with a 1500 truck is that I use my truck as a daily driver much more that I use the truck for towing and I would much rather have a nice sporty 1500 as a daily driver than a 2500.
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