Bilsteins or better option? 2013 2500 - Chevy and GMC Duramax Diesel Forum
2011-2016 (Non Powertrain) Discussion of 2011-2016 topics not related to powertrain

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post #1 of 37 (permalink) Old 05-13-2019, 05:39 PM Thread Starter
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Bilsteins or better option? 2013 2500

Last weekend I had a lift to install my exhaut. It was a frame lift so I didn’t have the weight off the rear axle as most advise. However, with the truck in the air, I found that removing the rear passenger shock allowed enough room to wiggle the entire rear section with DPF out in a single piece. I was absolutely horrified how bad the shock is. The truck has 70,000 on it and the shock is the worst I’ve ever seen. I’ve replaced shocks and struts on quite a few vehicles and this made my jaw drop.

I’m not sure how long it has been this way and did not check the other side, there is no way they aren’t both shot. Most of the miles since we bought the truck were towing at or just over payload/GVWR using a WDH. I didn’t notice much porpoise but over the past 2,000 miles there were a few long stretches where the truck had a steady abrupt up/down jerking motion which I attributed to either tires, shocks, or a sweet spot where the trailer weight and fuel weight were just right for the road conditions to cause it. It never happened unhitched so I ruled out tires which showed no visual signs. Then on Friday, I confirmed it was the shocks.

I’ve done Bilsteins in the past, with the exception of the Escalade which has air ride and MRC. Before I buy a set of 5100s, does anyone have other recommendations?
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post #2 of 37 (permalink) Old 05-13-2019, 05:56 PM
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Fan of 5100's.
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post #3 of 37 (permalink) Old 05-13-2019, 07:01 PM Thread Starter
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I’m seeing older posts about Rancho RS9000 shocks and they seem to have descent reviews? I’m inclined to go with Bilsteins based on experience. The Rancho adjustable is appealing for towing but it may be a pain to adjust them.

Any recent comparisons?
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post #4 of 37 (permalink) Old 05-14-2019, 04:17 AM
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No go on the Ranchos. Go Bilstein 5100ís and dont look back.



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post #5 of 37 (permalink) Old 05-14-2019, 05:51 PM
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The Rancho 9000 adjustment knob rusts up in no time if you live in the rust belt.

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post #6 of 37 (permalink) Old 05-15-2019, 05:01 AM Thread Starter
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Copy on the rust belt. That is why I went with SS exhaust. Anything is going to be better than the shocks on it now. My 2 year old could compress them.

I’ll go with my gut and inputs here on the 5100s.
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post #7 of 37 (permalink) Old 05-15-2019, 06:35 AM
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Replaced my factory Ranchos at 8000mi, one front shock was already gone.
Especially towing there is no comparison to the Bilstein 5100's.

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post #8 of 37 (permalink) Old 05-15-2019, 08:02 AM
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My bilstiens tend to sqweek. I have to retighten every once in a while

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post #9 of 37 (permalink) Old 05-15-2019, 10:00 AM Thread Starter
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Quote:
Originally Posted by powerhaulic View Post
Replaced my factory Ranchos at 8000mi, one front shock was already gone.
Especially towing there is no comparison to the Bilstein 5100's.
What truck do you have with stock Ranchos?
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post #10 of 37 (permalink) Old 05-15-2019, 01:38 PM
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Hey there, my truck is a 3500 drw, but I am in the process of installing 5100s on all 4 corners of my truck, and the steering damer.as well. I have yet to drive it, but I also tow 99% of the time, and my truck was rolling on stock shocks at 187k miles... so im.doing shocks and I'm adding air bags too.
But anyway, I'll try to let you know how they feel today after I'm done.
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