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Old 03-12-2018, 08:05 PM   #1
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Suspension Upgrade 2005 Adventurer

Hello All
We bought a 2005 Adventurer on a Workhorse chasis last fall. Love the motorhome but it rides very very rough and has lots of sway. Bought it from original owners with original shocks. Thinking about changing out shocks first, have seen posts about Koni shocks. Do you guys have any suggestions, everything is great about it except the ride. It tracks straight, just very rough. Thanks so much for the help...
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Old 03-12-2018, 08:37 PM   #2
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easy stuff first. check the pressure in the tires. prev owner may have them aired at max pressure.
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Old 03-13-2018, 02:25 PM   #3
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Thanks so much for the reply. The tires are new Michelinís that I put on running at recommended pressures. Someone had mentioned to me putting on Sumo Springs also...along with new Koni shocks
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Old 03-13-2018, 03:55 PM   #4
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suspension mods

Airmoore, we purchased an 05 Itasca in 2010 it's been a great coach it came with bilsteins shocks which were good but it did have a harsh ride.Changed to koni's they did smooth out bumps much better ride in my opinion.But I was still pushed around by passing semi's creating a white knuckle drive which wasn't fun,installed front & rear track bars that made a big difference,the sway was still there so front & rear sway bars went on used the 1-3/4 dia on the rear but I can't seem to leave anything alone so sumo springs went on along with a safety plus (blue).very pleased with all the upgrades it drives like my pick-up now much more enjoyable.
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Old 03-13-2018, 08:34 PM   #5
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Thanks so much still considering Sumo Springs
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Old 04-14-2018, 10:21 AM   #6
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I decided to go with Koni shocks, rear trac bar and a Safe T Steer. Intallation next week, will let you guys know the results...
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Old 04-23-2018, 03:41 PM   #7
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Airmoore,
You might put a call into Henderson RV in Grant's Pass, Or. They might be able to put you on the course of some particulars.

They are good at what they do.
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Old 04-23-2018, 10:01 PM   #8
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Put the Koni shocks, rear trac bar and safety plus on last week. The ride is better but still not great. The sway and stability is greatly improved, drives much better from a stability standpoint. Steering is straight and predictable. Have only driven it briefly as we stayed in it all weekend watching baseball. Overall happy with improvement, will give more info when drive it again in a week. Very stable on interstate in windy conditions. The front right shock they took off was completely broken...
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Old 05-11-2018, 05:42 PM   #9
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We have a 2005 37B on the W24 chassis. Done everything above + checked alignment. Drives great but thinking about adding rear trac bar. Need to fix burned up parking brake too LOL. Best floor plan we have ever seen. Happy Camping!
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Old 05-16-2018, 08:15 PM   #10
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I have a '02 Journey DP and when I bought it in '16, it was bullied a little by passing semis so I installed those plastic vortex devices and now I don't hardly notice any winds from semis or just plain winds. Cost is a bit high for plastic, but they do the job. And I've seen an increase in mileage but I need to go farther to be sure.


Here's a link to my product eval: F: Product Evaluation - V-Spoilers | Chaos Leaves Town
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Old 08-03-2018, 10:18 AM   #11
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Originally Posted by airmoore View Post
Thanks so much for the reply. The tires are new Michelinís that I put on running at recommended pressures. Someone had mentioned to me putting on Sumo Springs also...along with new Koni shocks
I'm not sure what you mean by "recommended pressure". If it's the pressure on the door sticker, it's probably too high since that's based on maximum weight.

Better that you weigh your rig, at least front and rear, and better yet all four corners. Armed with that, go to the inflation tables for your tires (available online) and inflate to the recommended PSIs (which are minimums) plus 10% for each axle's weight. If you get four corner weights, use the highest weight (R or L) for each axle.

Note, all tires on an axle need to be inflated to the same PSI.

There's good info on this here:

https://www.goodyearrvtires.com/

It made a big difference when I lowered my PSIs to the above.
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Old 08-03-2018, 04:16 PM   #12
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Thanks for those suggestions, that makes very good sense to me. When it cools off a little here in Texas I will take it to the scales and weigh it as you recommended. You have a valid point, if too much air for the weight it will make it much rougher on the ride...
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Old 08-03-2018, 07:10 PM   #13
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Thanks for those suggestions, that makes very good sense to me. When it cools off a little here in Texas I will take it to the scales and weigh it as you recommended. You have a valid point, if too much air for the weight it will make it much rougher on the ride...
Weighing isn't temperature sensitive but you should have a full fresh water tank, full fuel and LPG tanks plus a typical load of stuff.

The table weights are "cold" weights but they're not that critical as far as temperature. As long as you fill in the morning without driving very far you should be OK.

Also, don't think that because your summer temps are hot that you need to use less air (or more in a cold winter). The tables are engineered to take all that into account.
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