K10ANDYKHAMNIC
1/2 ton status
Re: Need help, death wobble, can\'t drive much longer.....
so ? neither do you that i know of .
so ? neither do you that i know of .
CK5
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Need help, death wobble, can't drive much longer.....
- Thread starter mpascino
- Start date
Re: Need help, death wobble, can\'t drive much longer.....
LOL...what I meant was that DW seems to be a D60 problem, not 10 bolt or D44.
Rene
LOL...what I meant was that DW seems to be a D60 problem, not 10 bolt or D44.
Rene
mudhog
THEGAME
Re: Need help, death wobble, can\'t drive much longer.....
i used to get it with my dana 44 and what we did to fix it was put in new wheel bearings
i used to get it with my dana 44 and what we did to fix it was put in new wheel bearings
K10ANDYKHAMNIC
1/2 ton status
Re: Need help, death wobble, can\'t drive much longer.....
doh my mistake ....after reading all this i want to get a d60 just to find out the problem . muhuahaha
doh my mistake ....after reading all this i want to get a d60 just to find out the problem . muhuahaha
thebigdaddyof2
1/2 ton status
Re: Need help, death wobble, can\'t drive much longer.....
This is an interesting post.....TTT.
This is an interesting post.....TTT.
Re: Need help, death wobble, can\'t drive much longer.....
Andy's axle is stock 10 bolt. It's the one I had to put a stabilizer on to get rid of my wobble. Now he doesn't have one, go figure.
Only difference (I think, I don't remember the timing exactly)might be that my install used my custom leaves with the axle moved forward, or an offset shim in a TCI spring pack. Either one would add a bit of castor. I think my front shackles might have been 1" over stock, once again I don't remember the timing since I was swapping it all around a good bit.
Castor on that axle has never been messed with. It did have new bearings, relatively new ball joints and somewhat used heim joints on the tie rod.
Andy's axle is stock 10 bolt. It's the one I had to put a stabilizer on to get rid of my wobble. Now he doesn't have one, go figure.
Only difference (I think, I don't remember the timing exactly)might be that my install used my custom leaves with the axle moved forward, or an offset shim in a TCI spring pack. Either one would add a bit of castor. I think my front shackles might have been 1" over stock, once again I don't remember the timing since I was swapping it all around a good bit.
Castor on that axle has never been messed with. It did have new bearings, relatively new ball joints and somewhat used heim joints on the tie rod.
mudddog91
1/2 ton status
Re: Need help, death wobble, can\'t drive much longer.....
Well what do you know! No vehicle listed here goes to 8 degrees of caster!Well I installed hydro-steer yesterday and so far not even a touch of DW.IM really impressed how much the hydro actually stiffened up the steering.Best thing is no DW!!!!!I will post in a few days to let you know if it has showed back up again.
Well what do you know! No vehicle listed here goes to 8 degrees of caster!Well I installed hydro-steer yesterday and so far not even a touch of DW.IM really impressed how much the hydro actually stiffened up the steering.Best thing is no DW!!!!!I will post in a few days to let you know if it has showed back up again.
Re: Need help, death wobble, can\'t drive much longer.....
Well this maybe more worthless information from me but the big question seems to be:Is caster and DW related?
I was cleaning up a Ford D-60 housing Sunday that was stripped down to the king-pins and noticed that it had no caster build into it, I leveled the spring pads and put an angle finder on the C.
I do know that the FD-60 has alot of positive camber from my F/GM-60 swapping but never took much notice of the caster.
I then looked at a bare GM-60 housing and the king-pins were layed back and I assume that it was 8 degrees like mentioned above.
Ford must get some caster by there spring hanger arrangement but I wonder how much? So is the DW/castor thing a Dana60 problem or a GM D-60 problem?
Maybe someone could sneak over to a Ford board somewhere posing as a fan and ask if they have DW issues with there rigs?
RGF
Well this maybe more worthless information from me but the big question seems to be:Is caster and DW related?
I was cleaning up a Ford D-60 housing Sunday that was stripped down to the king-pins and noticed that it had no caster build into it, I leveled the spring pads and put an angle finder on the C.
I do know that the FD-60 has alot of positive camber from my F/GM-60 swapping but never took much notice of the caster.
I then looked at a bare GM-60 housing and the king-pins were layed back and I assume that it was 8 degrees like mentioned above.
Ford must get some caster by there spring hanger arrangement but I wonder how much? So is the DW/castor thing a Dana60 problem or a GM D-60 problem?
Maybe someone could sneak over to a Ford board somewhere posing as a fan and ask if they have DW issues with there rigs?
RGF
Re: Need help, death wobble, can\'t drive much longer.....
Rene,
Well, I guess I better look and see if my Dana 44 grew up into a D60 because I have Death Wobble too. /forums/images/icons/laugh.gif If its a D60 problem, explain my problem?
All others,
I dont believe the caster deal. Two vehicles I know of only installed crossover steering and had Deathwobble as a result. We did not change caster. Ive had death wobble with skinnys, Deathwobbles with fatties, Deatwobble with long shackles, Deathwobble with short shackles, Deathwobble with crossover... No Deathwobble before crossover.
Watson,
Did you have the death wobble with a trac-bar?
Rene,
Well, I guess I better look and see if my Dana 44 grew up into a D60 because I have Death Wobble too. /forums/images/icons/laugh.gif If its a D60 problem, explain my problem?
All others,
I dont believe the caster deal. Two vehicles I know of only installed crossover steering and had Deathwobble as a result. We did not change caster. Ive had death wobble with skinnys, Deathwobbles with fatties, Deatwobble with long shackles, Deathwobble with short shackles, Deathwobble with crossover... No Deathwobble before crossover.
Watson,
Did you have the death wobble with a trac-bar?
Re: Need help, death wobble, can\'t drive much longer.....
Neil,
I said that DW seems to be a D60 problem as the majority of DW complaints begin shortly after a D60 has been swapped.
I am following this thread like most others...trying to learn the cause of DW and hopefully find a way to cure it.
<blockquote><font class="small">In reply to:</font><hr>
explain my problem?
<hr></blockquote>
As far as I can see your problem defies explanation.../forums/images/icons/wink.gif
Rene
Neil,
I said that DW seems to be a D60 problem as the majority of DW complaints begin shortly after a D60 has been swapped.
I am following this thread like most others...trying to learn the cause of DW and hopefully find a way to cure it.
<blockquote><font class="small">In reply to:</font><hr>
explain my problem?
<hr></blockquote>
As far as I can see your problem defies explanation.../forums/images/icons/wink.gif
Rene
Re: Need help, death wobble, can\'t drive much longer.....
Yup, had a track bar, tires tried to fly off. That was with about 8 degrees of castor. One little stabilizer took care of it. Since it happened about 2500 miles after a major rebuild I assume it was joints loosening up. That was all that changed. I had never taken the stabilizer off with the GM steering on the truck so I don't know about the effect of the crossover. I suspect the crossover could be an exciter.
Although with the track bar I didn't have very much bumpsteer. FAR less than a truck without the track bar. So I don't know how much of a contributing factor that is.
Yup, had a track bar, tires tried to fly off. That was with about 8 degrees of castor. One little stabilizer took care of it. Since it happened about 2500 miles after a major rebuild I assume it was joints loosening up. That was all that changed. I had never taken the stabilizer off with the GM steering on the truck so I don't know about the effect of the crossover. I suspect the crossover could be an exciter.
Although with the track bar I didn't have very much bumpsteer. FAR less than a truck without the track bar. So I don't know how much of a contributing factor that is.
Re: Need help, death wobble, can\'t drive much longer.....
Rene,
Just took the opportunity to bust your bubble! /forums/images/icons/laugh.gif Of course, I was only kidding.
Stephen,
So what you are saying is, the result of my Deathwobble was probably excited by adding Crossover Steering, but the actual problem could be Caster? I did add some longer front shackles 1" longer than stock, and have 6" springs up front with about 4 degree shims (not real sure), but this was driven on the highway for hundreds of miles without death wobble. As soon as I installed the crossover steering setup, it started the deathwobble and consistantly will do it time after time when my stabilizer is removed. I removed my stabilizer and loaned it to a friend when he broke his, I then had Death Wobble. I am not worried about fixing this problem right away because I have my "band aid" stabilizer on the truck as we speak. But that just adds one more thing to worry about breaking and creating an undriveable situation. I try to minimize this.
I also realise others have mentioned caster, and I acknowledge you as well!
Rene,
Just took the opportunity to bust your bubble! /forums/images/icons/laugh.gif Of course, I was only kidding.
Stephen,
So what you are saying is, the result of my Deathwobble was probably excited by adding Crossover Steering, but the actual problem could be Caster? I did add some longer front shackles 1" longer than stock, and have 6" springs up front with about 4 degree shims (not real sure), but this was driven on the highway for hundreds of miles without death wobble. As soon as I installed the crossover steering setup, it started the deathwobble and consistantly will do it time after time when my stabilizer is removed. I removed my stabilizer and loaned it to a friend when he broke his, I then had Death Wobble. I am not worried about fixing this problem right away because I have my "band aid" stabilizer on the truck as we speak. But that just adds one more thing to worry about breaking and creating an undriveable situation. I try to minimize this.
I also realise others have mentioned caster, and I acknowledge you as well!
thebigdaddyof2
1/2 ton status
Re: Need help, death wobble, can\'t drive much longer.....
Hi, my name is Todd and I have SEVERE DW.
I bought a Blazer last June and started modifing the hell out of it. NOW, this Blazer is NOT drivable without 2 steering stabilizers in opposing directions. When a large bump is hit @ 35 mph or less, I can still get DW WITH the 2 stabilizers. This is NOT a shake or shimmy. This is where the front axle feels as though it is coming out from underneath the vehicle. The ONLY way to stop the cyclic action is to come to a complete stop....and then sometimes it will start up again just as soon as I start rolling....just downright scary.
I know, at least in my case it is NOT:
1. D60 only- I have a D44.
2. Tierod- I had OEM 1" and now have a 1.5" rockrod.
3. Draglink for crossover- I have a 1.5" rockstomper rod w/ 4" of drop. I have the Tri County pass side arm with a 1.25" spacer. The drag link runs parallel to ground. No joint binding.
4. Tie rod ends- every piece is new OEM.
5. Ball joints- every piece is new OEM.
6. Steering box, steering shaft, rag joint- no excessive play.
7. Frame- I have the weld on plate installed and have installed 2.5" x 3/8" steel to "tri-angulate" BOTH sides of the frame. Additionally, I have installed a custom front receiver that ties the front bumper to the first crossmember. There is NO flex in the front of my frame. There does appear to be some flex in the frame back near the transmission area...but that is only when the steering is at the hard stops and is overdriven.
8. Wheel bearings- every piece is new & adjusted correctly.
9. U-bolts, spring eye bolts, etc.- Everything is tight.
10. Tires- DW w/ 31" skinnys & worse w/ 35" swampers.
11. Tire position- Tried left to right, front to back...no change.
12. Alignment- This was a fun one. Got into an arguement with an "Alignment Specialist" because he guaranteed he could fix the problem....he couldn't. We tried 5 diff postions of toe in and toe out....no change. I thought maybe the axle housing was bent...he says the camber was in spec and the housing is fine. The vehicle runs with 5.5 deg of castor. I had already tried 2.5 deg and 7.5 deg....no change.
Other points to mention. The leaf springs, ORD shackles and greasable bushings all came from the last truck I had wheeled hard for several years. That truck had a 10 bolt with OEM, front to back steering, NO sway bar and (if I wanted or had to) I could drive it with NO steering stabilzer....go figure. Is it the crossover steering?? I don't know. I do know that the "feel" of driving the Blazer with crossover is much, much different than with the front to back steering. Now, whenever a bump is hit I feel a slight shimmy that I PRAY does not go full cycle into DW. THIS SUCKS!
I am in the process of installing a hydraulic assisted, steering system with hopes of never having DW again. Also, I have ordered a Trailmaster coilover stabilizer to try as a (cheaper, easier, quicker) fix. There has to be something that I have overlooked....what could it be?
If I still have DW after these mods, I am going back to front to back steering and dealing with the "not so bad" negatives.
Hi, my name is Todd and I have SEVERE DW.
I bought a Blazer last June and started modifing the hell out of it. NOW, this Blazer is NOT drivable without 2 steering stabilizers in opposing directions. When a large bump is hit @ 35 mph or less, I can still get DW WITH the 2 stabilizers. This is NOT a shake or shimmy. This is where the front axle feels as though it is coming out from underneath the vehicle. The ONLY way to stop the cyclic action is to come to a complete stop....and then sometimes it will start up again just as soon as I start rolling....just downright scary.
I know, at least in my case it is NOT:
1. D60 only- I have a D44.
2. Tierod- I had OEM 1" and now have a 1.5" rockrod.
3. Draglink for crossover- I have a 1.5" rockstomper rod w/ 4" of drop. I have the Tri County pass side arm with a 1.25" spacer. The drag link runs parallel to ground. No joint binding.
4. Tie rod ends- every piece is new OEM.
5. Ball joints- every piece is new OEM.
6. Steering box, steering shaft, rag joint- no excessive play.
7. Frame- I have the weld on plate installed and have installed 2.5" x 3/8" steel to "tri-angulate" BOTH sides of the frame. Additionally, I have installed a custom front receiver that ties the front bumper to the first crossmember. There is NO flex in the front of my frame. There does appear to be some flex in the frame back near the transmission area...but that is only when the steering is at the hard stops and is overdriven.
8. Wheel bearings- every piece is new & adjusted correctly.
9. U-bolts, spring eye bolts, etc.- Everything is tight.
10. Tires- DW w/ 31" skinnys & worse w/ 35" swampers.
11. Tire position- Tried left to right, front to back...no change.
12. Alignment- This was a fun one. Got into an arguement with an "Alignment Specialist" because he guaranteed he could fix the problem....he couldn't. We tried 5 diff postions of toe in and toe out....no change. I thought maybe the axle housing was bent...he says the camber was in spec and the housing is fine. The vehicle runs with 5.5 deg of castor. I had already tried 2.5 deg and 7.5 deg....no change.
Other points to mention. The leaf springs, ORD shackles and greasable bushings all came from the last truck I had wheeled hard for several years. That truck had a 10 bolt with OEM, front to back steering, NO sway bar and (if I wanted or had to) I could drive it with NO steering stabilzer....go figure. Is it the crossover steering?? I don't know. I do know that the "feel" of driving the Blazer with crossover is much, much different than with the front to back steering. Now, whenever a bump is hit I feel a slight shimmy that I PRAY does not go full cycle into DW. THIS SUCKS!
I am in the process of installing a hydraulic assisted, steering system with hopes of never having DW again. Also, I have ordered a Trailmaster coilover stabilizer to try as a (cheaper, easier, quicker) fix. There has to be something that I have overlooked....what could it be?
If I still have DW after these mods, I am going back to front to back steering and dealing with the "not so bad" negatives.
thebigdaddyof2
1/2 ton status
Re: Need help, death wobble, can\'t drive much longer.....
Muddog, glad to hear your good news. Keep us posted. Did you use the OEM PS pump or did you upgrade (or modify)??
Muddog, glad to hear your good news. Keep us posted. Did you use the OEM PS pump or did you upgrade (or modify)??
UNCLE CRACKER
1/2 ton status
Re: Need help, death wobble, can\'t drive much longer.....
hey muddog91 how is the hydro assist working for you did it cure all of the death wobble? I have the same problem with my truck and nobody seems to no for sure what the problem is but if the hydro assist fixed it thats what im going to have to do please let me no e-mail me at [email protected]
hey muddog91 how is the hydro assist working for you did it cure all of the death wobble? I have the same problem with my truck and nobody seems to no for sure what the problem is but if the hydro assist fixed it thats what im going to have to do please let me no e-mail me at [email protected]
mudhog
THEGAME
Re: Need help, death wobble, can\'t drive much longer.....
im not the one who did the hydro assist /forums/images/icons/frown.gif but maybe i will some day /forums/images/icons/smile.gif
im not the one who did the hydro assist /forums/images/icons/frown.gif but maybe i will some day /forums/images/icons/smile.gif
Kamikaze
Registered Member
Re: Need help, death wobble, can\'t drive much longer.....
<blockquote><font class="small">In reply to:</font><hr>
About a month ago my brother was driving my truck around and he said he had to pull over twice and check the tires cause he thought he knocked one off the bead. Well a few days later I was pulling out of my driveway and it felt like I was driving on the rim with the tire blown off the bead. You know real wobbly. Well since then I've changed out the axles and 2nite I was driving down the road slowing down to make a turn and all of the sudden the K started to wobble back and forth like I was driving on a blown tire. I pulled over and checked out everything, but everything looks legit. When I drove off it acted like nothing had happened, so I went around the block a few times and still nothing (no I wasn't high). My steerbox isn't loose, but I'm gonna check it again. All the center pins are good. U-bolts are tight. Drag link is tight. Just imagine driving down the road at 40mph and both tires are off the bead that was the feeling I got. Any ideas. It wasnt so bad on the 33's but with the 36's I freaked the heck out. I was doing about 35mph when it happened. C'mon spill your ideas I'm up for anything if you say I gotta pull off the front clip to tighten down a bolt I'm game. Whatever it take's to fix this sukar.
<hr></blockquote>
This is a post that I posted last nite b4 mj directed me here. I'd like to add that the DW I had before I installed my d60
was on a 10bolt w/33's no crossover and stabalizer aprox 2yrs old. Now the d60 I installed had about 23miles on it b4 I had this DW happen to me. All of which are miles that I put on after the swap. My d60 is brand spank'n new not rebuilt but new and the new stabilizer came with it. I also am not running a crossover. I checked my steerbox for the unteenth time and it was tight as a fiddle. I'm also running a swaybar.
I'd just like all that to be noted.
The only ideas I've come up with that might different is the fact that the axles are nearly twice the weight of the d44's and 10bolt's. Thus causeing one hell of control matter for the springs that we are using on the front. Making the axle sway from side to side. I beleive (and someone correct me if I'm wrong) but on a K30 the the spring packs in the front are larger then are stock and stock replacements. I really dont have a clue what is going on here and I have no doubt's about my swap out. I hope more ideas are thrown this way cause this is a definite problem.
Oh and one more thing I know what DW is, I'm still pulling seat cushion outta my @ss
<blockquote><font class="small">In reply to:</font><hr>
About a month ago my brother was driving my truck around and he said he had to pull over twice and check the tires cause he thought he knocked one off the bead. Well a few days later I was pulling out of my driveway and it felt like I was driving on the rim with the tire blown off the bead. You know real wobbly. Well since then I've changed out the axles and 2nite I was driving down the road slowing down to make a turn and all of the sudden the K started to wobble back and forth like I was driving on a blown tire. I pulled over and checked out everything, but everything looks legit. When I drove off it acted like nothing had happened, so I went around the block a few times and still nothing (no I wasn't high). My steerbox isn't loose, but I'm gonna check it again. All the center pins are good. U-bolts are tight. Drag link is tight. Just imagine driving down the road at 40mph and both tires are off the bead that was the feeling I got. Any ideas. It wasnt so bad on the 33's but with the 36's I freaked the heck out. I was doing about 35mph when it happened. C'mon spill your ideas I'm up for anything if you say I gotta pull off the front clip to tighten down a bolt I'm game. Whatever it take's to fix this sukar.
<hr></blockquote>
This is a post that I posted last nite b4 mj directed me here. I'd like to add that the DW I had before I installed my d60
was on a 10bolt w/33's no crossover and stabalizer aprox 2yrs old. Now the d60 I installed had about 23miles on it b4 I had this DW happen to me. All of which are miles that I put on after the swap. My d60 is brand spank'n new not rebuilt but new and the new stabilizer came with it. I also am not running a crossover. I checked my steerbox for the unteenth time and it was tight as a fiddle. I'm also running a swaybar.
I'd just like all that to be noted.
The only ideas I've come up with that might different is the fact that the axles are nearly twice the weight of the d44's and 10bolt's. Thus causeing one hell of control matter for the springs that we are using on the front. Making the axle sway from side to side. I beleive (and someone correct me if I'm wrong) but on a K30 the the spring packs in the front are larger then are stock and stock replacements. I really dont have a clue what is going on here and I have no doubt's about my swap out. I hope more ideas are thrown this way cause this is a definite problem.
Oh and one more thing I know what DW is, I'm still pulling seat cushion outta my @ss
yeild2me
1/2 ton status
Re: Need help, death wobble, can\'t drive much longer.....
i think you are correct on your logic, but.......
i have DW with a 44, as do a bunch of others
stock K30's have DW....
and as my other posted says, i saw a TJ with DW last week.
so, all this kinda voids your ideas. i am still at a lost, i guess i will just have to live with it by accelerating past 35 mph to avoid it.
rob
oh yeah, i think i am going to tighten my shackles up and see if it goes away. i was watching my front shackles the other day, and the rt side seems real loose. i think that maybe the loosesness is causing some stability issues with the front springs.. i know i am probably shooting in the dark, but oh well!!
i think you are correct on your logic, but.......
i have DW with a 44, as do a bunch of others
stock K30's have DW....
and as my other posted says, i saw a TJ with DW last week.
so, all this kinda voids your ideas. i am still at a lost, i guess i will just have to live with it by accelerating past 35 mph to avoid it.
rob
oh yeah, i think i am going to tighten my shackles up and see if it goes away. i was watching my front shackles the other day, and the rt side seems real loose. i think that maybe the loosesness is causing some stability issues with the front springs.. i know i am probably shooting in the dark, but oh well!!
SCOOBYDANNN
1/2 ton status
Re: Need help, death wobble, can\'t drive much longer.....
Hi, my name is Danny, and i have DW, when i first put on the 60 i drove it around town and everything was fine--no DW, and this is w/ an unknown condition 60, worn stab etc. take it out wheelin for the 1st time and BAM! bent tierod. now, i try to get to ~35-45 mph because thats about where it stops. but if it does start it is bad. if i am going real slow <10 it dosnt do it. I have a 6" lift and for steering correction i have a dropped pitman arm--going to crossover w/in next month. in that process i am making a cromoly tierod w/ new ends and a new stab. id also like to say that before i hit the tierod, when everything was fine i had NO SHOCKS, NO SWAYBAR, and UNBALANCED TIRES. talk about your winning combo.I, myself am going to blame the bent tierod, but i am going to do everything that was said in this post. for some reason, i thought i was the only one w/ this problem.
Dan
Hi, my name is Danny, and i have DW, when i first put on the 60 i drove it around town and everything was fine--no DW, and this is w/ an unknown condition 60, worn stab etc. take it out wheelin for the 1st time and BAM! bent tierod. now, i try to get to ~35-45 mph because thats about where it stops. but if it does start it is bad. if i am going real slow <10 it dosnt do it. I have a 6" lift and for steering correction i have a dropped pitman arm--going to crossover w/in next month. in that process i am making a cromoly tierod w/ new ends and a new stab. id also like to say that before i hit the tierod, when everything was fine i had NO SHOCKS, NO SWAYBAR, and UNBALANCED TIRES. talk about your winning combo.I, myself am going to blame the bent tierod, but i am going to do everything that was said in this post. for some reason, i thought i was the only one w/ this problem.
Dan
AZK5
1/2 ton status
Re: Need help, death wobble, can\'t drive much longer.....
To start off with I've had DW on and off several times while owning my K5. I have crossover steering, a bent Rock Rod no stabilizer, 6.5 degrees of caster, older 38" bias TSL's that are unbalanced most of the time and a Dana 60.
When I had the Dana 44 in the front and 35" BFG's I started having the DW and found out the ball joints were hosed, so I replaced them. The DW wobble was gone. A few months later the DW came back. I checked the ball joints and they were hosed again. You need a second person to move the wheel while you check the ball joints. Move the tire top to bottom with a big pipe or a big guy. If the ball joint has play it's bad. I don't think the 10 bolt/Dana 44 ball joints can handle serious offroading with 33"+ tires and 5000+ lbs on it. So I got rid of the Dana 44.
Now I have a Dana 60 with the 38's, it developed DW, so I checked the king pins. What do ya know, the king pins moved with just the leverage of my 38's. I rebuilt the king pins and the DW was gone. A few months later and the DW was back, doh! I checked the king pins and they had play in them. So I put a 1/8" thick washer above the spring under the steering arm and cover to increase pressure on the cone bushing.
The DW hasn't returned YET and I don't have a stabilizer, swaybar, or hydro assist. I've seen Dana 60's set up with no spring in the king pin. They were preloaded and then bolted tight. This seems accessive and something has to give. Even the Dana 60 wasn't designed for 44's, 38's or even 35" tires, it's a huge lever arm against the king pin.
I'm planning on adding a homemade hydro assist which is like an industrial strength stabilizer. I'm hoping this will suck up most of the DW before it gets going.
Or maybe I'll tell my wife that 42's would cure the problem.
To start off with I've had DW on and off several times while owning my K5. I have crossover steering, a bent Rock Rod no stabilizer, 6.5 degrees of caster, older 38" bias TSL's that are unbalanced most of the time and a Dana 60.
When I had the Dana 44 in the front and 35" BFG's I started having the DW and found out the ball joints were hosed, so I replaced them. The DW wobble was gone. A few months later the DW came back. I checked the ball joints and they were hosed again. You need a second person to move the wheel while you check the ball joints. Move the tire top to bottom with a big pipe or a big guy. If the ball joint has play it's bad. I don't think the 10 bolt/Dana 44 ball joints can handle serious offroading with 33"+ tires and 5000+ lbs on it. So I got rid of the Dana 44.
Now I have a Dana 60 with the 38's, it developed DW, so I checked the king pins. What do ya know, the king pins moved with just the leverage of my 38's. I rebuilt the king pins and the DW was gone. A few months later and the DW was back, doh! I checked the king pins and they had play in them. So I put a 1/8" thick washer above the spring under the steering arm and cover to increase pressure on the cone bushing.
The DW hasn't returned YET and I don't have a stabilizer, swaybar, or hydro assist. I've seen Dana 60's set up with no spring in the king pin. They were preloaded and then bolted tight. This seems accessive and something has to give. Even the Dana 60 wasn't designed for 44's, 38's or even 35" tires, it's a huge lever arm against the king pin.
I'm planning on adding a homemade hydro assist which is like an industrial strength stabilizer. I'm hoping this will suck up most of the DW before it gets going.
Or maybe I'll tell my wife that 42's would cure the problem.
