leaning 80 causes?

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dmc

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Well it looks like I'm stumped and starting to get a bit frustrated. Some background first than the discussion points.

I picked up my 80 back in April from a MUD member in Oklahoma. I'll save the particulars for the ROTW since i'm next. Anyway it came with OME 850s up front and 863s in the rear. It has a severe lean to the drivers side of almost 2 inches.

When I got the truck home I installed front J's and swapped the rear springs left to right. At that point the front J's had tags that said A/B. I installed the B on ds and the a on the ps. Rear spring had no mark so I just swapped them. The 850s that came off were marked LH/RH and were on opposite sides.

At that point the lean was about 3/4s of an inch to the ds. A few guys saw it at Cruise Moab (cdan, romer, mark a) with this set up. Lean was noticable and bugged me but I had plans for spacers up front and decided to wait until then to figure it out.

Well last weekend (thanks to wildyoats and cruisermon) the spacers went on the truck as well as rear Js and L shocks front and rear. Long term I don't think I'll always run this tall but with a goal of attending ACT next summer I want room for 315s.

So in an attempt to fix my lean we put the taller springs on the drivers side. It just so happens that the front the A spring was taller and the rear the B was taller. The front springs have about 8k miles on them including 1k during the Utah Cruiser Expedition. I wanted to put the B's both on the drivers side but the A spring was taller and it leaned before I took them off. Spacers are the same height so I know they aren't the problem. Well with the springs in their current confg A ds front/B ds rear I have even more lean than before. I know the 2 taller springs are on the drivers side yet it still leans that way. 1 in in the rear. 7/8 in the front. I'm measuring center of the wheel well. Regardless of the accuracy of the measurement it is visibably nociticable. I'm about a 1/4 tank of gas and according to my friend at Toyota I need to meaure axle housing to bumpstop which I'll do when the tank is empty.

So after some IMing with Wild Yoats and FZJ Fillmore here is the course of action to try and identify the problem. First is go put both B spring on the ds per OME/Slee instructions here. Drive for a day or two and see if it settles a bit more level. I know the front B spring is shorter than the A because we sat them side by side and 4 sets of 80 owners eyes all agreed. But I need to start with the basics.

Second is remove the rear sway bar and drive around, then the front and see if either of my sway bars are tweaked. I have front blocks but need to order the rear extended mounts from Christo. Regardless i'll be able to tell if they are the cause with them removed.

Body mounts. I guess the next point to investigate would be my body mounts. The gap between the frame/body in the rear wheelwell is a bit tighter on the driver's side, like maybe 3/16 but not enough to cause 1in of lean in the body. I'm looking for the cause because, a- it bothers me and b- i really don't want to find out I have a bent frame.

So any other things I should look at as the source of my problem? (I'm aware of the notorious cruiser lean found in leaf sprung vehicles, my 60 suffered greatly but my 40 lacks this characteristic yet I haven't seen too many 80 suffering from it) Is there a better progression to finding my problem? Sway bars first? I do have a pretty bent rear control arm on the driver's side but the lean was there before and after the incident that caused it and from my understanding this would affect track and axle location far more than the body lean. all opinions, even bad ones:flipoff2: are appreciated.
thanks,
dmc
 
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The only thing I can think is that Junks Mama is hiding under the front seat. But there is now way she could fit there without you knowing!!!


Sorry, couldn't resist.
 
Well you got me all confused with the LH/RH, DS/PS, A/B, JUNK/MAMA, but the easiet way to check the springs is from the factory, and from OME, the driver side spring is slightly taller. Regardless of what the stickers say, when you stand the springs next to each other one will be slightly taller, put that on the driver side, both front and rear.

Body mounts could be another contributor, but I havent seen this as a big problem yet with the 80's.

If you measure from the frame to the axle on each side, this will give you the lean of the springs. If you then measure from the body to wherever on each side, then subtract the spring measurement on each side, this should give you the lean of the body mounts. It could be something else, but I would start here.
 
Let me add to Steve's info: US DS. Some OME's are labeled "DS" but that is DS for a RHD vehicle...not good...

The taller springs go on the left-hand side of the vehicle or maybe better to say on the long axle side.

If your taller springs are on the LH side now and you are still leaning, I would suggest throwing in on the Genesis rack and getting it measured.
 
cruiserdan said:
Let me add to Steve's info: US DS. Some OME's are labeled "DS" but that is DS for a RHD vehicle...not good...

The taller springs go on the left-hand side of the vehicle or maybe better to say on the long axle side.

If your taller springs are on the LH side now and you are still leaning, I would suggest throwing in on the Genesis rack and getting it measured.


yep that's my fear. Like I said right now the taller springs are on the driver's side. That I know for sure. I'll mess with the sway bars this weekend and then if I am still leaning I'll get the frame measured.
dmc
 
dmc said:
Second is remove the rear sway bar and drive around, then the front and see if either of my sway bars are tweaked. I have front blocks but need to order the rear extended mounts from Christo. Regardless i'll be able to tell if they are the cause with them removed.


Won't matter. I ran mine without front/rear sway bars and it did nothing for the lean.
 
Bear80 said:
Won't matter. I ran mine without front/rear sway bars and it did nothing for the lean.


Hmmm, that shoots my theory. I was thinking IF they (or one) were tweaked it would but a strain on the suspension causing it to lean. I think DMC mentioned to me one mount was slightly off when he was mounting them up.


:confused:
 
Panhard adjustments??

It seemed that when I did my lift I also had a lean...and I did make sure that Bailey and I put the springs in correctly.

Put in Slee's adjustables and the lean disappeared.

The panhards adjust axle orientation laterally (ie: horizontally) on the rig...maybe this has some thing to do with it Dave.

Good luck.
-onur
Akron, OH

ps: running OME Heavies.
 
confused

With the help of Wildyoats last night I 'fixed' a bit of my lean. I have the exact measurements written down in the car. I'm hoping someone else is smart enough to explain this because we can't.

I measured all 4 corners on the truck last night. Center of the spring pad (on the axle) to the bottom of the frame. the back were less than 3/16 different. The front was leaning 7/8 to the driver side.

We took out the front springs and sat them on the ground. The 'a' spring that was on the driver's side was taller. 20.25 in. The 'b' was 20in. After much measureing and debate, swapping in the stock springs to see if hte lean was spring based or vehicle based, checking the thickness of the springs to see if they might be rated different we just decided to baseline the rig according to the tags on the springs. So we put the shorter 'b' spring on the driver's side and...

The difference went from 7/8 to 1/2!!! Which had us totally baffled. Johnny had a OME trip packer that he was kind enough to sell me. We threw that in the DS, got the lean to less than 1/4 inch and called it good. I'm confused but content. I can barely notice the lean now. Is the 'b' spring rated differently? or am I just too dumb to be working on my own trucks?
thanks,
dmc
 
If it leans less with the shorter spring on the low side, then the shorter spring is stiffer.
 
It was definately a dumbfounding experience. I am still clueless. We took out the micrometer and measured the whole damn truck and still could not find the actual cause of the lean. It has more so become a mission to discover the reason.


Oh, and I didn't sell the trim packer to Dave, I traded another Gyro for it!:grinpimp: Gyros own me.
 
I traded another Gyro for it!:grinpimp: Gyros own me.[/QUOTE said:
evidently so does stinky breath :D My wife hates it when I have Gyros for lunch!!
 
couldn't it be that you got 2 different springs (not just side but type)?
 
I read this whole thread...and all I got out of it is that I want some gyros now...
 
well thanks for topping this thread. :flipoff2: I get upset everytime I walk up to my listing 80. Once it warms up and I can get all the mud out from underneath it. I can start playing this game again. I haven't measure the lean in a while but the fact that 3 co-workers have asked me about it indicates it is bad enough.
dmc
 
well, how big are you again? :D
 

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