By NO ONE on Saturday, December 08, 2001 - 03:45 pm: Edit

Does it matter it the boot is on the top mount or the bottom mount on the RS9000's? Can it be run either way.

By Robert Mann (Oldscout) on Saturday, December 08, 2001 - 03:55 pm: Edit

No problem running them upside down. There will be a air bubble in the metering valve in the morning and the shock will burp the air in the first few 100 yards. It's much safer for the shock body to be on the upside.

By Bones on Monday, December 10, 2001 - 09:42 am: Edit

Sorry I gotta disagree with Oldscout. Most any shock can be mounted can up or can down. Rancho RS9000's SPECIFICALLY must be mounted can down. Dual rate shocks are not able to purge that air bubble easily and mounting them upside down (or can side up) will reduce the effective travel of the shock. any doubts - check with Rancho.

By Eric N (Grnrvr) on Monday, December 10, 2001 - 10:43 am: Edit

I was under the impression from Rancho that you were to run the RS9000 can side up and rod side down to keep air bubbles from forming in the can and creating an inch and a half dead air space.

By Eric N (Grnrvr) on Monday, December 10, 2001 - 10:50 am: Edit

From their web site. Guess it doesn't really make a difference which is probably why the conflicting info.

1. Can I mount the RS9000 upside down?

The RS9000 are designed to operate in either direction. In most applications the position of the shock is determined by the vehicles mounting configurations. Rancho does not recommend nor warrant the use of shocks that are not specifically listed for your vehicle in the Rancho catalog.

2. Are the RS9000's gas-charged?

No, The RS9000 are not a gas pressurized shock. Gas charging is of several methods by the shock absorber industry to control the internal fluid.

3. If they're not gas, what does "Cellular Gas" mean?

Cellular gas technology is a high quality closed cell foam material. Cellular gas technology allows 100% oil fill of the shock absorber that increases heat dissipation, reduces heat fade and allows the shock to operate in either orientation.

4. What kind of a ride can I expect from the RS9000's?

RS9000's are tuned comparable to the RS5000's at setting '3'. With a twist of the external knob you can tune your vehicle to your own preference and driving conditions. The RS9000's can also be upgraded to a fully in cab adjustable shock absorber when you install the RS9000 remote control system. See your Rancho dealer for details.

5. How do you adjust them?

There is a knob on the outside of the shock that you turn. Clockwise makes the shock firmer, while counterclockwise make the shock softer.

6. How does it compare to the OEM shock?

The RS9000's do not compare to any original equipment light truck shock absorber today. The RS9000 are an exclusive Rancho design.

By Dean Brown (Deanbrown3d) on Monday, December 10, 2001 - 10:54 am: Edit

Why? Is there a need to mount them reversed?

By Eric N (Grnrvr) on Monday, December 10, 2001 - 10:58 am: Edit

Well it depends on where you want the little knobs in the front. You can put them can side down and change the knobs by reaching through the spring or you can mount them can side up and cut a hole in your shock mount to reach the adjustment knob from under your hood. I had them upside down but, changed them to can side up when I was told that they would get an air bubble upside down. Now it seems that Rancho can't make up their mind which is the right way..

By Robert Mann (Oldscout) on Monday, December 10, 2001 - 11:06 am: Edit

If you have the install instruction sheet on the 9000s they list a few chebby apps that have the body up/rod down. I have about 17k on four #9012s that are mounted upside down on a 5600lb truck. My Disco will have 9012s in the rear by the end of the week mounted upside down.

Dean: You mount them reversed because the body will dent easily from rocks.

By Robert Mann (Oldscout) on Monday, December 10, 2001 - 12:06 pm: Edit

Ohh look This guy runs them both ways!

By Eric N (Grnrvr) on Monday, December 10, 2001 - 12:10 pm: Edit

What the hell is that?

By Robert Mann (Oldscout) on Monday, December 10, 2001 - 12:21 pm: Edit

WHY? For more droop and more compression. The leaf spring guys need all the help they can get!

By Rancho Lover on Monday, December 10, 2001 - 12:23 pm: Edit

Don't matter which way you run the ranchos. They suck either way. LOL

By John on Monday, December 10, 2001 - 12:26 pm: Edit

That set up works comparable to a coil over spring set up. You have one rate of comp./expansion out of the main shock and different rates out of the other shocks. Its an interesting way to do it and allows more shock travel in limited spaces.

By Eric N (Grnrvr) on Monday, December 10, 2001 - 12:45 pm: Edit

Cool... Learned something new today. Thanks. I had never really seen that type of setup before.

By RVR OVR (Tom) on Monday, December 10, 2001 - 12:52 pm: Edit

Rock Shox????? Aren't those for mountain bikes? Now I am really confused.

By Robert Mann (Oldscout) on Monday, December 10, 2001 - 01:00 pm: Edit

Just a sticker TOM there RS9000's

By Phillip Perkinson (R0ver4x4) on Monday, December 10, 2001 - 01:52 pm: Edit

yeah they make stuff for mountain bikes...its just a sticker on his shock