Dual rate Progressives in the front. Linear in the back.

The best springs I have used for washboard roads, were Old Man Emu progressives with old man emu shocks. Super posh ride. Teraflex springs with falcon shocks are amazing as well.

 

Make sure you get a good matched set of springs and shocks. Look into your tire pressure too. If you go fast enough, make sure you have anything other than the stock yellow/brown factory foam bump stops.

 

More than the type of coil spring it's the spring coil rate that plays against your driving performance and even more than the springs it's the shock combination that plays the biggest role. Shocks dampen the ride, springs are supposed to keep your ride with mods at a desired height. If the spring rate is too heavy the ride will suffer a lot more in certain areas., tpyically if you add more weight you can improve those areas to a point with the same shocks. Tell us about your curent Spring/Shock combo and mods. Do you have a relocated rear TB, this helps in that rear bouncing if the TB is relocated up.

 

[For the record] I am embarrassed to say this. I was talked into it against my better judgement. I have the 2.5” Rough Country shock and spring kit that runs around $500. I DO NOT RECOMMEND THIS KIT TO ANYONE! IT KIT IS COMPLETE GARBAGE!
And yes I do have an adjustable rear track bar. But it’s not relocated up.

 

I’m happy with my dual rate 2.5 Metalcloak dual rate springs with rock sport shocks. Big improvement for me over stock, much less body roll, feels much more stable and planted over bumps and on the highway. I hate mushy suspension so I love that it’s firmer then stock yet I found it much much more comfortable.

 

What the best spring/shock combo is really comes down to your driving style. In the perfect world you would setup just like @rsmwrangler suggested choosing a spring rate that will support your ride height and use the shock to dial in the ride. This is very hard to do unless going to coilovers. This is how I would break springs down in general:

Single rate - The easiest when looking at shock control. The spring rate is constant so it is very easy to match a shock to based on your driving needs.

Dual rate - These spring have a flex rate and a ride rate. They tend to be stiffer on the ride rate but allow for much more articulation.

Triple rate - Just like the dual rate but also have a small overload rate. Because of this they are a bit stiffer than dual rate springs.

Progressive - The hardest spring to match shocks to. They tend to have a beehive look to them or varying spacing between coils. They tend to have the best rides but can be a bit floaty on road and to soft off road. This is what many if not most stock vehicles come with.

Shocks also come in three different flavors:

Digressive: They pretty much go full stiff when moved. They got a very good reputation with stock springs setups as they tighten up handling.

Linear: As the name stats they go from soft to stiff across the range of motion.

Progressive: They are soft through much of there travel and only go stiff at the very end.

All this is just general information and any one of these in combination can work. The better lift companies have done most of the home work by matchings springs and shocks. But even then to do that they have to make assumptions based on vehicle weight and driving style. Take MetalCloak for example since that is what I have. Designed for a fully decked out rig; skids, bumpers, winch, etc. setup for technical wheeling like rock crawling. If I was to setup up for go fast I may of gone Teraflex. But all of them are going to be a compromise because they also have to live on the road.

But none of us are you, we can only provide what worked for us and it may not work for you. I would suggest you contact the various manufactures and tell them what you are looking for. Be brutally honest with yourself.

 

The RC shocks are causing most of your issues.

What load rating tire and what pressure?

 

Of all the springs I’ve tried the Rock Krawler triple rate springs provide the best ride quality. Combined with a good shock like Metal Cloak RockSports and you are golden.


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I understand that there is a few different types of coil springs out there. Linear, progressive, and dual rate and maybe some more that I don’t know about.

I’m curious as to which type will give me the best ride on and off road.

Progressive or triple-rate will give you an advantage in handling and ride quality, both on the road and off. However, as others have noted, shocks are also an important factor.

 

Shocks will have a more significant impact on ride quality. I've tried Foxes (stiffer), Eibach (about the same, maybe a little softer), and Rocksport (softest by far) with the same springs and went from sports car to Cadillac ride. Body movement and Handling was impacted also. Some springs handle weight better, e.g. metalcloak. I thought my synergy springs handled weight well too. And some like Eibachs with stock spring rates will compress more under weight. I'm kinda liking a slightly higher rate spring with a softer shock compared to the lower rate eibach with a stiffer shock on my 2dr. I'm not super experienced with washboard roads but my experience is a shock with less compression damping will not be as harsh and squirrely on that type of terrain.

 

Hey guys, on this point. I've been trying to soften the drive of my wrangler but tends to be stiff. Initially, I installed a 2.5 inch hurricane lift kit with single fox performance series 2.0 shocks.

I just replaced the shocks (with the same brand) after 4 years and bumpstops, but still feel the ride is rough.

Can anyone advise on the best spring coils I can install to make it as soft as possible on and off the road?

 

Hurricane has a set of 2.5 shocks that should work better in the dampening department. Fox 2.0 are NOT "soft" shocks, they have to be valved a litte more on the hard side of the compression with the idea to resist the shock bottoming out. The Fox 2.0 versions without the reservoirs are a tiny bit better on the street but they top out easier offroad. The version with the reservoirs will work a bit better offroad, more if you have the front sway bar disconnected. if you want to have the best of both worlds street/offroad and be plusher then get 2.5 shocks. Day and night difference. Double the money as well. Just the nature of the beast.