Long Travel BS Thread

Do you have pictures of this? PN of the deavers? Measurements of stuff like shackle length, eye to eye of the spring mounts? The bold is 100000% your main issue atm, it should be like 7-8x that

 

Do you mean total uptravel or uptravel until you hit the bumps? What travel bumps do you have? Almost every person I've seen put 4" bumps on tacomas shortens them to 2 inches. Hydrobumps can be really loud on the pavement if you don't have enough uptravel where they don't contact routinely.

You might want to post photos of your front and rear suspension set up at ride height so people can see exactly what is going on.

 

I can get all of that but just to be clear it’s better now that I’ve added that extra leaf. But I’m partly worried the issue might be that leaf.

I can tell you the spring PN is 3703-G2.

 

I’ll grab some measurements today. But it was an inch (or at least fairly close to that) before hitting the bumps when I first had the springs mounted.

 

Sounds like you've either got bad springs, improperly placed bumps, too much weight, or a combination of those or more issues going on. Post up some photos with the measurements.

 

I'm in my infancy too and may be completely misunderstanding you here but speed in regards to shocks refers to shaft speeds not vehicle speeds. Seems you might have that mixed up or at least the wording is a bit funky if not. Ie the body roll of the vehicle will usually be slow shaft speed even at high vehicle speed. You can get a good compromise but won't really be able to get shocks to work great at both high and low vehicle speeds

 

Probably helped but one leaf ain't gonna make up for the 5+ in. of bump travel you're missing. It's gotta be something with the geometry

 

I will. I’m going to check current and I might pull that leaf out and measure that. Looking back through emails it might have been more than that but not much since I was worried about adding weight.

 

I think we agree that we're both talking about shaft speed and my wording may be a bit wonky.

 

ah okay my bad

 

...shaft speeds.

 

If you’re interested in going to a lighter 37”, BFG recently released a 37x12.5r17 KO2 that’s a C-load and only weighs 65lbs. It’ll for sure be a little smaller than your current mt but that’ll for sure help the ride quality.

I wouldn’t say my truck rides unbearably harsh, but it’s noticeably stiffer on road that Oem, or even Oem replacement “mid travel” trucks I’ve driven. I have a camburg kit, 600lbs coils, with a small tube bumper. Rear is Deaver SOA, with 12” Fox raptor shocks, maybe 4” of total bump travel.
I’d be interested to see what a swap of tires would feel like on my own truck to see the difference between e-load and a c-load.

 

Your on E rated 37’s right ? Do you understand how super stiff your tires are and how much they play into

I’m sure you call DSM they can look up your order and tell you your current valving and tell you the DK spec valving

 

@erok81 i would highly suggest as a baseline control point / process for you harsh ride troubleshooting that you swap wheels with a friend that has C rated tires and take a quick drive with those just so you have a clear understanding of how much of a difference just the E rated tires make. I went through the same thing years ago and it’s good to have “ butt dyno “ understanding of that factor so you clearly understand what is suspension vs what is super stiff tires

 

I get that I have super stiff tires. They were the only thing around when I built the truck other than bfg baja ones that are way too expensive for me.

I can also tell it’s bit my suspension as well. I know the small chatter type bumps my tires are going to play a part but when I hit something big (on or off road) it basically just slams over whatever it is. I can check shock travel as well and they aren’t moving a whole lot.

Additionally I did run this same kit with 35’s that weren’t E rated and still rode like a tank.

 

I’ll check those out. My tires are getting close to needing replacement so these might be a good choice.

What I was really hoping for was to be able to crank the shocks to full soft for on road and it would be fairly plush then firm them up for off road. But it sounds like LT is just going to ride like a brick unless you are hitting big stuff off road.

 

nah bro i think you are over sprung and not tuned well LT is absolutely not just inherently harsh. someone else pointed out that you’ve got springs intended for an oe length set up, the calcs are different for lt you should prob be on 650 or 600’s.

I’m also guessing that you’ve got soe preload in the mix because of your 37’s ?

 

I have e-load ko2's right now, 33's, but I run front/rear:
34/32psi on-road daily
16/14psi offroad (slower speed mountain trails, softer dirt, maybe expecting a little sand)
18/16psi offroad (harder pack wide open faster desert driving, whoops, prErUnNeR stuff)
and even 12/10psi when in dune sand like in pismo
Never blown a bead or punctured a tire.

 

At 14-18 psi off road you don't get flats?? We used to run 32 to keep flats out and now we're down to 28 since we weren't getting flats at 32 or 30. Not sure I want to run lower than 28.

 

I run around 15psi through everything. Haven't had a problem yet. I'm also running e tires so I'm willing to bet that might have something to do with it...