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Old 06-09-2012, 10:13 AM   #1
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install air bags on class a gas?

My friend has a 37' newmar on a workhorse chassis. He doesnt like the harsh ride when going over rough bridge approaches, potholes etc.
He is considering spending $2200.00 for air bags over the springs.
He asked my opinion, I told him I wouldnt do it.
Has anyone on here done this, and how did it work out for you.
Thanks
tireman
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Old 06-09-2012, 11:38 AM   #2
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Quote:
Originally Posted by tireman62075 View Post
My friend has a 37' newmar on a workhorse chassis. He doesnt like the harsh ride when going over rough bridge approaches, potholes etc.
He is considering spending $2200.00 for air bags over the springs.
He asked my opinion, I told him I wouldnt do it.
Has anyone on here done this, and how did it work out for you.
Thanks
tireman
I believe your friend is really looking for an air suspension system to replace the leaf/coil suspension currently installed. I work on emergency vehicles, and found by just adding air bags to any given conventional suspension, it only increases the weight carrying capability of the vehicle, does nothing for the ride. I would have him consider some type of replacement suspension system if he's looking for a better ride. These systems are expensive, so please tell him to look carefully at what is needed for his personal uses.
earl
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Old 06-09-2012, 11:47 AM   #3
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We had air bags on the rear of our previous motrhome and it only leveled out the ride. It does nothing to improve the ride just more stable feeling. I believe what he may be looking at is the Kelderman Air Suspension system. They are quite expensive but from what I've read there are some people that really like it that have had it installed. At $2200 I believe that would only be either the front or rear installation. I would suspect that if you wanted this system you would want it complete (front and rear) and it would cost considerably more than what your mentioning. Good luck I hope he finds what works best for him.
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Old 06-09-2012, 11:51 AM   #4
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Having had them, I agree, they aren't for changing the ride quality in the sense of making them "softer" -- it helps by being able to adjust a bit for when you are running a heavy load, and, in my opinion, to stiffen the suspension (especially the front) in winds to improve handling... but in no way does it ride "better" over potholes.

The only thing I can suggest (which may be obvious) is that your friend should definitely weigh his coach and see if -- weight permiting -- he can lower the pressures in the front tires. In my old gasser, which only needed 65psi to handle the front axle weight, running those tires at 75 or 80 psi (the max) really made the ride worse.

But if he's already at the correct pressure... well, it's time to look for a diesel pusher, methinks.

Steve
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