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Old 05-27-2011, 04:46 PM   #1
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Newmar Owners Club
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Fine Tuning my suspension

I have a 2009 Safari Simba, 33SDD (34ft), Ford F22 chassis, 22.5 tires, v10 that I purchased new in February 2011. After my first road trip, I knew that I needed some suspension upgrades to improve the harsh ride and the tail-wagging-the-dog issues. As a result, I did the following upgrades @ Redlands RV Service Center:

1. Beeline laser wheel alignment
2. each tire/axle weighed
3. Tire pressure set according to mfg recommendations
4. Ultratrac rear trac bar
5. Safe-T-Plus
6. Koni FSDs

The Koni FSDs were a big improvement over the original Bilsteins; the wheel alignment didn't need much adjustments; the Ultratrac got rid of the tail-wagging-the-dog; and I'm not sure if I'm feeling any steering improvements with the Safe-T-Plus...verdict still out.

The last handling issue that I'm having is when the gust from the 18 wheelers hits the front/side area of the RV. I feel a push/tug that causes the steering wheel to jostle side-to-side for a brief moment. In my previous Super-C, it just felt like a gentle push from the side until the truck passed, but really didn't affect my steering wheel at all. I'm hoping that I can achieve that with my Class A.

My Ford chassis already has an OEM front trac bar, so I'm not sure what other options i have available. Do you think I can do both Steer Safe and my current Safe-T-Plus???


2015 Newmar Dutch Star - 4018 (ISL 450hp)
2012 Jeep Wrangler Sahara Unlimited
Cody (Australian Shepherd puppy)
Zoey and Shelby (Pembroke Welsh Corgis)
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Old 05-27-2011, 04:58 PM   #2
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I will bet you that your MH came with Monroe shocks and not Bilstein shocks. It is a very common mistake to think that because the shocks are yellow that they are Bilstein but Monroe's are also yellow. The big difference is that the top dust cover on a Bilstein is a blue rubber and on a Monroe it is yellow steel. The Monroes go bad somewhere in the 15K to 20K milage area and Bilsteain go for over a 100K miles. If you want more stability in crosswinds and from trucks try pushing the caster to the maximum positive limits of the specifications.

Mike Canter
"Gunner" USN Retired, Airdale
2004 Monaco Signature 44' Conquest. Detroit 60
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Old 05-27-2011, 05:07 PM   #3
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I have the 2006 F-53. I just put on a TigerTrac, which is identical to ultratrac, on the rear. I hope it helps out with wagging. I think the only other thing I would do on this chassis is to put air bags on the front.
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Old 05-28-2011, 05:13 AM   #4
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I installed a rear Aux sway bar from Hellwig part #7612 this is the reduces body roll and a rear track bar for tail wag on my 2009 F53. DW says I have to take them back off, Because I use to drive 55 with both hands on the wheel, now I drive 75 with one hand on the wheel. Best thing I ever did.
2009 Fleetwood Bounder 35E
Living the good life USCG
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Old 05-29-2011, 11:05 AM   #5
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Hey Gunnar, thanks for that post about shocks. I went out and checked and found the "Blue Boots". I thought all the time that I had Monroe's but now know I have Billsteins. I kept asking my Mechanic to check them and the front end shop did the same. I thought that they were just Monroe's doing a great job when all the time I had the good ones. At 44K on my 03 HR Vacationer, Ford, I am happy that I can look forward to some more Bilstein miles.
Joe from Ct.
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