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Old 11-20-2020, 11:45 AM   #1
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2020 Phaeton 37BH - Koni Shocks?

The ride is pretty good in our 37BH, but my wife would like it to be even smoother if possible. I've read a lot, but am still not sure if there's much room for improvement and would like some advice.

From what I've read, Sumo springs wouldn't be much help. Is this correct?

So, would Koni shocks make it smoother at all? If so, which ones would be recommended for our rig?

Thank you.
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Old 11-20-2020, 11:57 AM   #2
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I may be wrong but I don’t think Sumo springs are made for your particular chassis. Hopefully ,someone will come in about the shocks. What are you,looking for in the ride, less porpoising , less roll?
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Old 11-20-2020, 12:49 PM   #3
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Just looking for a smoother ride on rough roads if possible. Everything else is good.
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Old 11-20-2020, 12:56 PM   #4
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I replaced the Bilstein on the front with Koni EVOs. Much better ride. Since I ride solo with not a lot of added weight, I also reduced the front tire pressure by 10 lbs. I have Michelins Coach-X on the front wheels. My reduced pressure is good according to Michelin chart.
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Old 11-22-2020, 07:47 AM   #5
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Quote:
Originally Posted by nsail View Post
Just looking for a smoother ride on rough roads if possible. Everything else is good.
Koni shocks will not give you a smoother ride. They may perform better by keeping your tires glued to the road. But with a new rig like yours, I would hold off for now. Your ride will be affected more by tire pressure and that's only by a little bit. Rough roads are...well, rough on anything.
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Old 11-22-2020, 11:18 AM   #6
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As Props2 said, replacing shocks on a new rig is a waste of money. Tire pressure has more affect on ride quality. Have you weighed your coach and adjusted the tire pressures according to the tire manufacturers axle weight charts?
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Old 11-23-2020, 10:55 AM   #7
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Pretty much what I thought also, but just wanted to make sure.

Yes, rig weighed and tire pressures set.

Thanks everybody!
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Old 11-23-2020, 06:23 PM   #8
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As a data point, what were your weights.
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Old 11-28-2020, 12:13 PM   #9
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The tuning of your suspension to best in class, is not a waste of money. Every rattle and squeak you don't create through use is not a bother for the life of the coach. Prevention pays off with a quieter experience.

Tune the tire pressure - do it now - best advice I have received. The tire pressure addresses dampening the rearward wheel movement when you hit a hole. The suspension does not address that force. It only dampens the upward movement. That was a fact which I had to be schooled on. I appreciate the education.

The dampers need to control the upward movement of the wheel. I have read that MH dampers only control the return suspension movement to stop oscillation. Not sure I believe that is true, but check, before you buy. Adjustable units would be best, but I believe the Koni dampers are reactive to existing road conditions and not adjustable.

Before Moho, I have always believed that low highway ride height is more stable. With the Moho, I feel that all the suspension travel possible, is needed to dampen transitions and pot holes. We now set ride height for travel to the high level.

EDIT - my apology for beating a dead horse on the tire pressure deal - I needed it presented firmly to understand why.
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