Tremor Rear Shock Options

Has anyone here running the fox 2.0s have them rebuilt? Currently getting mine done but i need to replace the bushings and metal sleeves. Having a hard time finding them online.
 
Has anyone here running the fox 2.0s have them rebuilt? Currently getting mine done but i need to replace the bushings and metal sleeves. Having a hard time finding them online.
Did you call FOX direct?
 
I just nerded out and went through all of the 35 pages.

@Yeti I saw all your posts about the 5165. But could you describe exactly what benefit did you feel/observe VS your older 5160?

Do they perform better with or without the RAS? Why are you switching to the Icon Springs?

You mentioned a concern during the installation of the 5165… what is it?

I hate the stock suspension for being too soft. My goal is to eliminate body roll on road, and to have much better performance at high speed on washboard, and through potholes and whoops offroad. I am planning to run a camper in the back similar to your Superpacific so I will have some weight there for sure.
I am debating between the SVT Raptor shocks, 5160, or 5165. I am planning 6112 in the front unless there is something better for a similar price.

Your advise is appreciated, you seem super knowledgeable!

Thanks.
RAS:/Rear springs. I initially got the RAS for when I towed or was loaded. That was also when my plans were wrapped around a bed rack and RTT and it was a good placeholder while Deaver/whomever got something out for us. Since things have become more static for me, I'll be going with either a leaf replacement or rear suspension replacement (likely both over time).

When @FaKtor34 found those 5165s, they were an absolute no-brainer for me. range of motion was fully in spec with OE, dampening is really close to what I need and being someone who likes digressive dampning, that was an easy call. I'll be trying out other rear shocks starting mid-summer so whatever springs I stick with will likely define what shock I go with. it'll either be a digressive or hs/ls adjustable. As I remember it, when I installed the 5165s, I wasn't keen on the reservoir placement. Some wheel well skirt trimming fixed that.

If your camper is going to be permanent, stay away from the Raptor shocks. They are great but once you stark adding more weight, they may not have the dampening you'll want with that high center weight. If I go with a leaf pack, I'll be adding a light anti sway bar to the rear to help with some side to side. I don't do a lot of high speed but if you're doing 6112s stay digressive in the back. If you're looking at the eibach set, that is easily the best performance for the money and a close competitor for the bilsteins.

let us know what you do and PICS ir it didn't happen.
 
Aside: Anxiously awaiting the release of the 21-present F150 Bilstein B8 8112/8110s. I really don't know why Bilstein doesn't have more adjustable options.
A few months back I asked an online retailer about future B8 availability:

I would not necessarily bank on Bilstein making those parts. They developed a set for the 15-20 trucks, which use a nearly identical set of shocks, and discontinued them due to poor sales. So although they have all the capacity to make them, I do not think they are going to spend the money on R&D on the 21+ trucks after their experiences with the previous generation

Maybe that’ll change?
 
RAS:/Rear springs. I initially got the RAS for when I towed or was loaded. That was also when my plans were wrapped around a bed rack and RTT and it was a good placeholder while Deaver/whomever got something out for us. Since things have become more static for me, I'll be going with either a leaf replacement or rear suspension replacement (likely both over time).

When @FaKtor34 found those 5165s, they were an absolute no-brainer for me. range of motion was fully in spec with OE, dampening is really close to what I need and being someone who likes digressive dampning, that was an easy call. I'll be trying out other rear shocks starting mid-summer so whatever springs I stick with will likely define what shock I go with. it'll either be a digressive or hs/ls adjustable. As I remember it, when I installed the 5165s, I wasn't keen on the reservoir placement. Some wheel well skirt trimming fixed that.

If your camper is going to be permanent, stay away from the Raptor shocks. They are great but once you stark adding more weight, they may not have the dampening you'll want with that high center weight. If I go with a leaf pack, I'll be adding a light anti sway bar to the rear to help with some side to side. I don't do a lot of high speed but if you're doing 6112s stay digressive in the back. If you're looking at the eibach set, that is easily the best performance for the money and a close competitor for the bilsteins.

let us know what you do and PICS ir it didn't happen.

Roger that, I will stay away from the fox. I will probably pull the trigger on the 5165s, but what makes me hesitate is you have this setup, yet you are looking at changing it. Why? There must be something you don’t like about it?

Yes I will post pics when I do it

As for the 8112, I would spend the money today if that was available. By far the best tech for the price, but no luck with our F150s.
 
To my knowledge the 5165s are the same as the 5160s with slightly different valving. I'm on the Bilstein product page and entered a (non-tremor) F150, they aren't even coming up.

I really like my 6112 / 5160 setup. For $1300 on sale for the whole set it was the best upgrade I could have made.

Aside: Anxiously awaiting the release of the 21-present F150 Bilstein B8 8112/8110s. I really don't know why Bilstein doesn't have more adjustable options.
The 5165 is not the same as the 5160, the 5160 is a standard valving and length for a lifted f150, however they are fairly close to our stock dimensions. The 5165 is a custom shock that you can get in different dimensions and different valving, they have 2 different ones in the exact dimensions of our shocks, one with heavier valving that @Yeti is running or has been running and then they have one with a lower rate now that would come closer to working better for those who run with little weight in the rear. Somewhere in here(forum) I have posted links to both, as well as the above eibach which if your doing a lower cost level and don't want to go with rough country may be one of the best bangs for the buck out there if you don't tow a ton. But either way will be better than stock.
 
Roger that, I will stay away from the fox. I will probably pull the trigger on the 5165s, but what makes me hesitate is you have this setup, yet you are looking at changing it. Why? There must be something you don’t like about it?

Yes I will post pics when I do it

As for the 8112, I would spend the money today if that was available. By far the best tech for the price, but no luck with our F150s.
I'm sure @Yeti will chime in here with his answer but the most obvious answer is we were struggling in late '21 early '22 to find usable options that kept everything in spec, it has taken the industry till now to come out with at least 2 higher end options to do this with, before both icon and halo/Elka came out with their current Tremor specific setups, nobody's rear shock actually matched completely other than the Bilstein 5165 that is mentioned above that he is running. So while they fit almost exact dimensions the valving is a set valving with no adjustments, which works just not tunable with out a complete custom job, by tearing it apart and rebuilding it
 
I'm sure @Yeti will chime in here with his answer but the most obvious answer is we were struggling in late '21 early '22 to find usable options that kept everything in spec, it has taken the industry till now to come out with at least 2 higher end options to do this with, before both icon and halo/Elka came out with their current Tremor specific setups, nobody's rear shock actually matched completely other than the Bilstein 5165 that is mentioned above that he is running. So while they fit almost exact dimensions the valving is a set valving with no adjustments, which works just not tunable with out a complete custom job, by tearing it apart and rebuilding it
I was under the impression the new Icon are also shorter like the 5160, is that not the case?
If the Icon is the perfect spec for tremor, is that really a much better option than the 5160 / 5165, did someone actually compare the 2?

Same question with Halo.

I was under the impression that Bilstein offers 90% of the performance of the big names (king, fox..) for half or a third of the cost. From my online reading, the true worthwhile investment in this game is the 8112 but that’s not an option unfortunately.

Can I expect at least as good of a performance or better (high speed offroad) with the 6112 / 5165 combo than on my Bronco Sasquatch with the stock Bilstein? Stock Bilsteins on the Bronco are similar to 5160 (piston size and external resy) but with ESCV so it’s a better tech. See picture. They let me drive without too much body roll and at 70 mph over potholes, small whoops and washboard. Loaded with gear I bottom out easy on woops at above 30mph though and wouldn’t mind a bit more performance on the Tremor.

@Yeti, I think your wife has a Bronco and if that Bronco has the Bilstein you might tell me how they compare with the Bilstein setup on the F-150

bronco_black_diagram-1024x576-1.png
 
Digressive shocks prevent body roll by being stiffer at the top end, progressive shocks like the eibach I posted prevent bottoming out by increasing the further along the travel path, so if your looking for a more high speed setup then a progressive shocks would be your best bet. Or linear which ever you prefer to call them, the 8112 would be the best of both worlds yes but unfortunately as you've stated aren't available. The icons and the Halo lifts have extended lengths for the rear shocks to better match the stock rear units than the 5160 does. At least the Tremor specific ones do now, halo changes their rear units because of concerns from people in this forum about being to short, that's one reason if I wanted to spend $5k on my setup I would go with them vs other's, they actually have tried to make the perfect setup for us. As it is right now due to other circumstances I will probably go with the eibach set for the time being. If circumstances change then I will go with the Halo setup.
 
The other difference between the F150 and the bronco is we have leaf springs instead of rear coilovers, so that will be why the shocks between the two are so different, while the bronco has no help in the form of leaf springs to prevent the shocks from bottoming as much the leaf springs on the f150 will help with that somewhat although I wish they had came out with a slightly heavier duty set than what they did on these trucks, which is why icon may be the spring pack to go for, unless Deaver finally comes out with something that works better for our trucks. If I were to gamble on anything I would say the next 2-3 years will see the aftermarket community finally catch up to what we want for our trucks, thanks in part to Halolift actually listening to what we have to say and being Tremor owners themselves and not saying that what they had was good enough. By them pushing to make what we've requested and Icon actually trying as well we should see other companies start developing for the Tremor as well. Not everyone likes the same things so it's good to start to see a variety becoming available for these trucks, I just wish Ford would start working better with aftermarket companies to get these things available sooner.
 
The 5165 is not the same as the 5160, the 5160 is a standard valving and length for a lifted f150, however they are fairly close to our stock dimensions. The 5165 is a custom shock that you can get in different dimensions and different valving, they have 2 different ones in the exact dimensions of our shocks, one with heavier valving that @Yeti is running or has been running and then they have one with a lower rate now that would come closer to working better for those who run with little weight in the rear. Somewhere in here(forum) I have posted links to both, as well as the above eibach which if your doing a lower cost level and don't want to go with rough country may be one of the best bangs for the buck out there if you don't tow a ton. But either way will be better than stock.
does anyone have a part number for 5165 that is the best option for folks with less weight in the rear?
 
The other difference between the F150 and the bronco is we have leaf springs instead of rear coilovers, so that will be why the shocks between the two are so different, while the bronco has no help in the form of leaf springs to prevent the shocks from bottoming as much the leaf springs on the f150 will help with that somewhat although I wish they had came out with a slightly heavier duty set than what they did on these trucks, which is why icon may be the spring pack to go for, unless Deaver finally comes out with something that works better for our trucks. If I were to gamble on anything I would say the next 2-3 years will see the aftermarket community finally catch up to what we want for our trucks, thanks in part to Halolift actually listening to what we have to say and being Tremor owners themselves and not saying that what they had was good enough. By them pushing to make what we've requested and Icon actually trying as well we should see other companies start developing for the Tremor as well. Not everyone likes the same things so it's good to start to see a variety becoming available for these trucks, I just wish Ford would start working better with aftermarket companies to get these things available sooner.
Let’s be honest, I see 25 Tacoma on the road for 1 Tremor. And that’s on the road.
I see gazillion Tacomas and Tundras on the trails, I have never ever seen 1 Tremor since 2021, camping all around Utah.
If I was a suspension company I would not bother, this is the unfortunate truth. Unless I was called Halo Lift and nobody knew about me then making a product on a platform like the Tremor I get to be the only one available and make a name for myself.
 
does anyone have a part number for 5165 that is the best option for folks with less weight in the rear?
https://www.4wheelparts.com/p/bilst...r-shock-absorber-25-187731/_/R-BBGL-25-187731

These are much lighter than the others that @Yeti is running, now it would be best to do as I did and contact Bilstein directly to ask if they think the rebound rate on these will work for our trucks, it's the proper dimensions however the rebound rate of 1600 is much lighter than the others, which if I'm not mistaken have a rebound of 2550, the difference other than that is the compression , the ones @Yeti are running has compression of 700, these have a compression of 575.
 
It's a bummer that Bilstein doesn't list these on their website to be "available" with the late model F150s, maybe I would have considered these.

The 5160s even though not meant for the tremor ( I think we have an extra tapered .5" over recommended use) still work really well. I'm not loosing any travel and they feel good. Washboard at low speeds is terrible though.
They don't list the 5165 as being compatible because it's a shock uses more for custom builds, it just so happens that both models that have been discussed in here have the proper lengths for our trucks, therefore they do work.
 
What's wrong with the standard 5160 on the tremor?
Other than being a little short, I guess nothing, many say that the leafs prevent over extending the shocks, so unless you regularly flex to the extreme it should be fine for most, I just went down the rabbit hole trying to find something that was as close to stock extended and compressed as possible, those just happened to be the only ones at the time that fit that description. Several are running the 5160's just fine, as well as other shocks that are in the 29" extended lengths range. So other than possible over extending the shocks which may or may not be an issue most can get by with a variety of different units.
 
In all cases, wouldn't you want your primary weight-holder (in this case, a leaf spring) to prevent over extension of the shocks? Can you imagine the damage you would cause to a shock if you let it top-out while making it support most/all the weight of your rear-end?

I personally will never find myself in a situation where I am that sideways and so far the 5160 on it's own is great. I can't imagine the 5160 is that much different, really. It states it's meant for trucks with 0-2" of lift in the rear, the tremor has just over 2 + some cents.
As I said it works for the vast majority of users perfectly fine, maybe even all users, we just went down a rabbit hole finding something as close as possible to factory dimensions.
 
The real question is not what the stock length is. It’s what stock length is needed, when you have one wheel in the air and the other fully stuffed up the wheel well so let’s say left rear axle is bump stop fully compressed, and right rear axle is fully extended. Can a 5160 support this yes or no. If yes then there is no need for a longer shock. Someone needs to put a wheel in the air and measure eye to eye on a stock tremor. If it’s 29in then it doesn’t matter if the shock can go longer than that.
 
I just wish Ford would start working better with aftermarket companies to get these things available sooner.
But to do that they might have to divert resources from essential operations like crushing vendors making unlicensed decals or gay ranger promos.
 
Yes. Yes it can.

The fully extended length of the shock in this scenario was not meet because the leaf springs catch the rear end. I am moving this assumption based on the following test:

Put weight on the airborne tire and see if the shock extends any further, which it did. I can try this again tonight and measure to verify my results.

How likey is this scenario? You’d have to be in a pickle to get to this point, but it can happen.

My 5160 has 29.5” of extended travel, 29” I believe is the stock travel of the factory shocks.
The stock factory shocks extend just past 30.5" fully extended. As I have said for most these shocks in the 29.5" range would be plenty, however if you really push your truck offroad, have the extra weight of mud on the tire and wheel, weight in the backend and you hit something with momentum to get over it you could find yourself in a scenario that those slightly shorter shocks get over extended, once or twice probably wouldn't be an issue but it does present a possible failure of those shocks, that's why having the extra extended lengths and therefore extra travel can be good for those who truly push there trucks, many don't so it wouldn't be a problem for most, the few who do well better safe than sorry I say.
 
Hello to everyone! I am very sorry but I have been all over in this thread and I’m just as lost as can be. I just did a Ready Lift Spacer 2 inch and put on some heavy tires. 285/75/18s they are 10 ply and weigh about 10 lbs more than the factory Grabbers. I feel that the factory shocks are going to suffer with these on there. Have we found something concrete that can be used for both front AND rear for these bad units of ours? I don’t do a lot of off roading. Just the odd trip once or twice a year down a forest service road so mostly looking for something with some comfort on the highway and that can properly handle the larger 35s I put on. Thanks a million guys. I apologize but I just got so lost reading through the thread.
 

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