Anyone have experience with Bilstein 9100 Coil Overs

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fallensk8man89

Junior Member
Sep 19, 2011
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0
6
Hey guys! I'm running a set of 2.65" x 17" 9100 coilovers on the front of my beamed F-150 and need some advice. It's getting time to rebuild them and I'd like to make some valving changes as well. For now, this is just a play truck, but I may race this truck in the future.

I know that Bilstein is known for manufacturing quality shocks, but the inexpensive price tag on these particular shocks makes me question there quality. Additionally, finding parts for these shocks is a bit tedious and people that are willing to work on them are even harder to find. The dual rate sliders are cracking and need replaced and the dual rate collars are in bad shape as well.

I'm wondering if it is worth it to rebuild/revalve these shocks, or just sell them and get a set of Fox coilovers. I do plan on adding bypass shocks in the future, which will be Fox.

My questions are, would it be best to spent the money and rebuilt these billies and rock them until I add the bypass's in the future and then run them as coilover?

Or should I just sell these and replace them with a set of Fox's?


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orbot

Mr WTF.
Nov 8, 2007
2,143
9
38
Chula Vista
Las time i had bilsteins i went directly to them in poway san diego county and they rebuilt mine

After that a second set was rebuilt by downsouthmotorsports in san diego as well

Good shocks


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Bertismyname

member
Oct 1, 2018
879
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San Diego
I dont know where you are at but bilstein has a great return and warranty policy. Even stock replacement shocks that have been cooked will be replaced or rebuilt if you are willing to wait a few days. I would rebuild them. I do t know why they fell out of favor in the off road scene. They used to be at the top of the pile.
 
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crazyracer

Tres Cuatro Tacos
Sep 27, 2006
2,686
148
63
Pacific Beach, CA
I dont know where you are at but bilstein has a great return and warranty policy. Even stock replacement shocks that have been cooked will be replaced or rebuilt if you are willing to wait a few days. I would rebuild them. I do t know why they fell out of favor in the off road scene. They used to be at the top of the pile.
My guess is that they were not the absolute cheapest and that's what the majority of people wanted. As the user base for cheap shitty shocks grew, so did the valving experience and parts inventory at various service shops. Now the cheap shitty companies have a large data-set of valving recommendations to tap into along with stockpiles of rebuild parts at your favorite local off road shop.

Alternatively, perhaps the 5100 series shocks left a bad taste with people due to their nontuneability and minimal performance, and those users opted to jump ship to another brand when they scrapped together $6 for SAWs.
 
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Bertismyname

member
Oct 1, 2018
879
295
63
San Diego
I ran doetsch shocks in the past because they were rebuild able and local. Most of the junk at that time was two inch aluminum bodied stuff so it didn't matter. Re-hone the bodies when / needed. I paid a whopping 200 bucks for the first set of emulsion shocks. Probably would have been better off with bilsteins. But I had to have the serviceable shock. They weren't bad. They just needed some love.
 

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