2018 GMC Denali HD timbren question - Chevy and GMC Duramax Diesel Forum
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post #1 of 15 (permalink) Old 12-01-2019, 08:19 AM Thread Starter
 
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2018 GMC Denali HD timbren question

Hey guys I am new to forum but have been reading it forever. Just wanted to say hi but also had a quick question about the Timbrens I just bought and installed on my truck. Itís a 2500 so no helper Springs, which I looked into adding but seem to be unreasonably priced for the resistance you actually get, which is why I have Timbrens in the first place. Anyways I tow about 10k worth of 37 foot travel trailer every now and then which, due to the pin weight, would drop my Denali a lot. Now that I have Timbrens there is basically no drop at all they work awesome and make towing a really fun event when it use to be a somewhat pain in the butt because I was rocking so much due to my front end pointing twards the sky. I am wondering if I should consider adding maybe a one inch spacer to close my 1 1/2 inch gap between my rear end and the actual Timbrens as they sit right now. They do not effect my unloaded ride At ALL which is nice but I feel like it might help me in terms of adding more resistance support while still (hopefully) not effect unloaded ride quality too much. Should I go with a spacer? Thanks guys have a good one, Brandon.

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post #2 of 15 (permalink) Old 12-01-2019, 08:31 AM
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If you add a spacer your ride will be affected because the Timbren will be engaged. I have the HD Timbrens along with lower Stable Loads due to carrying over 3,000lbs in my box regularly. Very stable setup and no dealing with bouncy airbags and leaking air.

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post #3 of 15 (permalink) Old 12-01-2019, 12:40 PM
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Brian, are you using a weight distribution hitch with that trailer?
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post #4 of 15 (permalink) Old 12-01-2019, 03:18 PM
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Quote:
Originally Posted by MIkey52 View Post
Brian, are you using a weight distribution hitch with that trailer?
That's what I was thinking, with a properly set-up WDH shouldn't need the Timbrens with a bumper pull. I have the Timbrens on my 3500 SRW & they work awesome when pulling my 14,500 5iver.

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post #5 of 15 (permalink) Old 12-01-2019, 03:54 PM
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Quote:
Originally Posted by MIkey52 View Post
Brian, are you using a weight distribution hitch with that trailer?
I have that same question as there is some conflicting information out there about using suspension enhancements like Timbren AND WDH, apparently they can cause conflict with each other, i.e. the WDH pulling the rear down on to the Timbren leaving it loaded and wanting to push against the WDH's pulling down.
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post #6 of 15 (permalink) Old 12-01-2019, 04:05 PM
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But the weight distribution hitch raise the rear end.
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post #7 of 15 (permalink) Old 12-01-2019, 04:57 PM Thread Starter
 
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No I am using a adjustable 14k ball hitch, no sway at all. I considered going with a wdh but it pulls awesome with no issues at all
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post #8 of 15 (permalink) Old 12-01-2019, 05:32 PM
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Pulling is great. Its the stopping and steering that get you. With a WDH you essentially keep the front of the trailer from diving the rear of the truck downward when you start slowing down. I have towed with and without a WDH. With the WDH you get the added benefit of keeping weight on the front and off the rear. The WDH I had on my TT also included sway control. Trailer was not that heavy and the 06 could have handled it with no issues, but having sway control is a benefit especially when you get in cross winds.

WD hitches actually help by keeping the front weight from transferring to the rear. Drive your truck across the scales hitched and unhitched. You will be amazed at how much weight gets taken off the front.
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post #9 of 15 (permalink) Old 12-01-2019, 05:43 PM
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Quote:
Originally Posted by in2pro View Post
I have that same question as there is some conflicting information out there about using suspension enhancements like Timbren AND WDH, apparently they can cause conflict with each other, i.e. the WDH pulling the rear down on to the Timbren leaving it loaded and wanting to push against the WDH's pulling down.
Huh, think you got it backwards

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post #10 of 15 (permalink) Old 12-01-2019, 07:01 PM Thread Starter
 
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I get the whole wdh deal, Not debating on if it would help or not Iím sure it would, I am just wondering for general towing purposes if anyone has used timbren spacers and had good results? I tow more than just this travel trailer, just looking to get a good balance.
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