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im guessing with the body up(that is what were saying right?) with each bump your shock is being used and compressing the goods inside. did that make sense? in my mind it did
Body up = less damage. Also reduces unsprung weight.
I have heard that the Ranchos should be wounted with the body/can down. The reasoning was to prevent air bubbles from forming over time. But I don't know if its true or not. Just something I had heard.
Silly wives tales, Rancho's can be run in any position.
If they are twin tube shocks, like Raunchos, then they really need to be mounted body down. Rauncho used to say that you could mount their 9k's either way. They don't say that any more, and THAT is where the confusion came from. Mounted body up puts some of the body mounted valving in the gas and not in the fluid. they don't work so well that way.With mono-tube shocks, like Bils, SAW's, Fox's, etc. you CAN mount them either body up or body down. In these shocks all of the valving is on the piston.
I have always run my Rancho's body up and have never expericenced any of these issues. From out of the 6 rigs I have had them on I broke only one at the welds other than that one I've taken them on and off the trucks, in fact the pair on the rear of my current truck came off of my Willys and before that they were on my Sammi, they are just as good as the day I bought them. The pair on the front came off a full-size Ramcharger that I owned and never had any problems running them body up or down. I run my rear body down and my fronts body up only because I lazy and don't want to climb under the front to adjust them.
Well I don't know about damage but the shock is sprung weight and even more so when the can is up.
Well I think it is less "sprung weight" with the body up as it will then be mounted on the body and not the axle, butt being as noone here is running a fomual 1 car it would not matter eather way .butt I do thijnk that if I were going to run some shocks "up-side down" I cut the dust cover off so it would trap drit.
That's the reason I run the shocks the 'wrong' way. But then again, the right way is my way...
Ron,Yes, you can still mount the RS9000 line in the inverted position. Theywill still function properly, but might seem slightly softer if this isdone. Both our 5000 series and 9000/9000X series shocks are cellular gascharged shocks. This means that the gas and the oil are in two differentchambers rather than being mixed together like in free-flowing gas charged.Since the gas is not in direct contact with the piston, it does not extendthe piston. The cellular gas charged shocks have advantages of both freeflowing gas charged shocks and hydraulic shocks. This is due to thecellular gas still preventing aeration with the gas charge while also beingable to be mounted in more versatile positions. These shocks are designedto not extend on its own.For further questions please feel free to contact the technical assistanceline at 734-384-7804.Rancho Team-Justin
www.4crawler.com has a good writeup on the shocks being mounted upside down.... not sure exactly where it is on that site though... there is a plethora of info there
Here is my with the disclaimer that I am no expert...I have Rancho 9000 (old 5 position version) installed on my truck. I have noticed that the valving only changes the compression of the shocks and not the rebound. Now that I am typing my thoughts out, mounting can up or can down doesn't change compression vs. extension.Don't you hate it when you prove yourself to be a moron? I guess it is back to the air bubble question...
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