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Tires, Wheels, Brakes, Steering and Suspensions Discussion of preventative/corrective maintenance and other technical issues regarding your coach's Tires, Wheels, Brakes, Steering and Suspensions and related components.

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  #1  
Old 3 Weeks Ago
Randy Dupree's Avatar
Randy Dupree Randy Dupree is offline
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Default adding extra shocks to the tag axle

A few years ago i added extra shocks to my tag axle,it changed the way the bus rode by a lot!
It helped the porpoising and made the bus easier to drive.
No more bouncing out of the seat!


Well,i never said much about it until WOG 2019 and i talked about it at my seminar.


So,Pete Haggins decided to try it.
(OK,i talked him into it)
I had a set of tag shocks (used off of an LX) that we put on,after welding some mounts in place.
This is so easy almost anybody could do it!

We took it very a 20 mile test drive and then Pete took off for home,about 2000 miles away.
Pete reported in today that the coach drives much better with no porpoising!
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2000 LXI 43
Bainbridge,Ga.
Port St Joe Fl.
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  #2  
Old 3 Weeks Ago
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Drove 600 miles today and the bus rides better than it ever has. The ride was good before, but the front would bounce a couple of times after a bad bridge seam, or a large hump in the road. The bounce wound not be big but took a couple oscillations to dampen out. The added shock has improved that. It smooths out after a single rebound.
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Old 3 Weeks Ago
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And we put used shocks on Petes bus.
Why?
Well,i had them and this way it did not cost any money for this mod.
We used 2 big bolts for the bottom mount and some 2'' square tube for the top mounts.
It was a quick and easy mod,so we did it before happy hour the other day!
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  #4  
Old 3 Weeks Ago
speeddixon speeddixon is online now
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Pic’s please.
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  #5  
Old 3 Weeks Ago
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Pete took pics,but they are now lost in his phone somewhere,he said he would take more today.
Hes on the way home to Canada.
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2000 LXI 43
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Port St Joe Fl.
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  #6  
Old 3 Weeks Ago
badandy badandy is offline
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I make my wife do a Flipper squeak when we do this. When I first drove my bus home and it happened I thought I was going to die.

Do you think this can be done with different single shocks? What about the valving up front having any impact? Is this effect more or less pronounced on the giant longer heavier buses than one like mine? I was there when you were talking about the shock stuff and I wanted to chat some more about it.
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  #7  
Old 3 Weeks Ago
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Quote:
Originally Posted by badandy View Post
I make my wife do a Flipper squeak when we do this. When I first drove my bus home and it happened I thought I was going to die.

We had that same sensation when we were going home with ours from Louisiana.
I only wish I knew how to do the Flipper squeak - will she teach me?
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Last edited by georgiavette; 3 Weeks Ago at 12:00 PM. Reason: SP
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  #8  
Old 3 Weeks Ago
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Randy Dupree Randy Dupree is offline
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Quote:
Originally Posted by badandy View Post
I make my wife do a Flipper squeak when we do this. When I first drove my bus home and it happened I thought I was going to die.

Do you think this can be done with different single shocks? What about the valving up front having any impact? Is this effect more or less pronounced on the giant longer heavier buses than one like mine? I was there when you were talking about the shock stuff and I wanted to chat some more about it.

Your bus has a longer wheelbase,but i still think that with 6 air bags on the back of your coach that 4 shocks is not enough.
Just think,a car has 4 springs and 4 shocks,and its lower and wider and shorter in relation to a bus.


Petes tag axle shocks are on top of the axle (factory shocks),and the air bags are way further back,behind the axle.
So we added the new shocks behind the air bags,way back there.
Maybe as much as 50% further back than the factory shocks.
I am not an engineer,but i do think the shock needs to be as close to the spring/airbag as possible.
And i think it needs to be at the area of the suspension that gets the most travel.


Wait until you see my front HCV and dump valve setup,coming soon to an LXI in the south!
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2000 LXI 43
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Port St Joe Fl.
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  #9  
Old 3 Weeks Ago
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Quote:
Originally Posted by georgiavette View Post
We had that same sensation when we were going home with ours from Louisiana.
I only wish I knew how to do the Flipper squeak - will she teach me?
Ohh wow...
Is this on the family channel still?
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2000 LXI 43
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Port St Joe Fl.
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  #10  
Old 3 Weeks Ago
badandy badandy is offline
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I wonder what is the current state of the art for new buses?
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