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Old 04-22-2019, 07:32 AM   #15
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I should also note the Magnum chassis manual has a picture showing 8 shocks. In actuality, it was only built with 6, 2 in the back and 4 up front.
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Old 04-22-2019, 08:39 AM   #16
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Replace the shocks X4 . Just put 8 new shocks on my Knight stopped the severe ride I was getting and stopped the bouncing

Went with Billstein
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Old 04-22-2019, 08:45 AM   #17
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Porpoising is usually caused by worn out front shock absorbers and easily remedied with a good set of Billsteins shocks for example
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Old 04-24-2019, 10:44 PM   #18
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Ok, just to follow up with my problem of porpoising...the new Bilsteins solved my problem without making the ride harsh. I know a lot of Monaco owners like the Konis but for me the Bilsteins gave me a similar ride to the OEM shocks (which I like) but eliminated the porpoising.
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Old 04-28-2019, 06:21 AM   #19
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My shocks were bad at 17K miles and the Bilsteins did the trick along with sway bars it corners incredibly well.
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Old 08-01-2019, 12:14 PM   #20
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Originally Posted by tankcj View Post
Ok, just to follow up with my problem of porpoising...the new Bilsteins solved my problem without making the ride harsh. I know a lot of Monaco owners like the Konis but for me the Bilsteins gave me a similar ride to the OEM shocks (which I like) but eliminated the porpoising.

Hey TankCJ: Thanks for following up on the thread. Seems I might have a similar issue. I started a new thread over here in regards to scalloping tires.

Tire scalloping

So when I had my shocks replaced I just went with what Ray's Truck & RV here in Spokane suggested which were Monroes. And there was a noticeable difference but that was 2016 and now my tires are showing scalloping and we now have a bit of porpoising. I thought it might be due to our adding a toad (97 Sidekick) and while on our 1st trip with it is when I noticed the porpoising.

So I'm thinking of putting on the Bilsteins but I don't want to make the same mistake. Meaning, according to their site I should use these:
Front:24-187015
Back: 24-187022
Steering Damper: 24-245975

But, that's for a 1997 Ford F53 Chassis....does that take into account all the extra weight of the RexAir RV? Not sure how this all works.

Let me know what you think. Thanks.
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Old 08-01-2019, 07:53 PM   #21
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Originally Posted by TriMoot View Post
Hey TankCJ: Thanks for following up on the thread. Seems I might have a similar issue. I started a new thread over here in regards to scalloping tires.

Tire scalloping

So when I had my shocks replaced I just went with what Ray's Truck & RV here in Spokane suggested which were Monroes. And there was a noticeable difference but that was 2016 and now my tires are showing scalloping and we now have a bit of porpoising. I thought it might be due to our adding a toad (97 Sidekick) and while on our 1st trip with it is when I noticed the porpoising.

So I'm thinking of putting on the Bilsteins but I don't want to make the same mistake. Meaning, according to their site I should use these:
Front:24-187015
Back: 24-187022
Steering Damper: 24-245975

But, that's for a 1997 Ford F53 Chassis....does that take into account all the extra weight of the RexAir RV? Not sure how this all works.

Let me know what you think. Thanks.
Monaco doesn't make any rv's on an f53 chassis ours are all diesel pushers. You would be better off asking this question in the Class A motorhome or Ford chassis area as I don't think anyone here can give you an answer.
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Old 08-02-2019, 12:24 AM   #22
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My coach had a bad case of Porpoising the day it was new. I replaced the shocks the second year at 12,000 miles. Should have done it sooner. The OEM shocks were just not enough to control the Porpoising. I replaced them with KONI FSD shocks and while expensive they work great and no more Porpoising.


X2...almost exactly same on our 2006 Camelot.
Rides better than it did when brand new with the Koni FSD shocks. Just my experience.

Jim
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Old 08-02-2019, 05:54 AM   #23
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another vote for shock change, 2013 knight 40 changed my shocks to Koni FDS's amazing difference don't wait and don't settle for thinking its normal.
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Old 08-02-2019, 07:15 AM   #24
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Yes I think there is a road somewhere that will make any coach porpoise .
The right road and speed can just about shake a coach apart unless you slow down .
I've been on a few and try to never go that way again .

It's a trade off , to much shock will make the ride rough to little and the
porpoising on some roads can make you sea sick .
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Old 08-04-2019, 03:02 PM   #25
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Part number of the koni front shocks. I have a 2007 monaco camelot. Shaft on top eyelot on the bottom.
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Old 08-04-2019, 05:10 PM   #26
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Call Hendersons Lineup/ SuperSteer at https://supersteerparts.com/shop/koni/
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Old 08-05-2019, 09:42 AM   #27
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Originally Posted by spdracr39 View Post
So there are stretches of road that at 65 mph create a severe porpoising effect. I can slow down and it settles down some but is this normal ? I know my coach is 15 years old but it has low mileage at 25,000 and has been stored indoors most of it's life. I can't believe the shocks would be bad already. I have 8 airbags and the gauge generally shows around 110 psi when going down the road.
When we purchased our 2008 Holiday Rambler made by Monoco with 30,000 miles it porpoised so bad in one case I thought I may lose control of the coach. I had my original Monroe’s replaced and the mechanic replaced with Monroes. I didn’t know any better but within 10,000 miles it was back at the porpoising again. In one instance it was so violent that I feared losing control or wrecking the coach. I read the reports on IRV2 and decided to install the Bilsteins from shock warehouse. Wow what a major difference in ride quality and no more porpoising.
I’m pretty sure you need new quality shocks, not Monroe’s.
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Old 08-05-2019, 10:16 AM   #28
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Originally Posted by laheze View Post
When we purchased our 2008 Holiday Rambler made by Monoco with 30,000 miles it porpoised so bad in one case I thought I may lose control of the coach. I had my original Monroe’s replaced and the mechanic replaced with Monroes. I didn’t know any better but within 10,000 miles it was back at the porpoising again. In one instance it was so violent that I feared losing control or wrecking the coach. I read the reports on IRV2 and decided to install the Bilsteins from shock warehouse. Wow what a major difference in ride quality and no more porpoising.
I’m pretty sure you need new quality shocks, not Monroe’s.
Mine came with the Bilsteins from the factory. I am going to start gathering the replacement Koni's and change them out.
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