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Old 05-27-2011, 05:46 PM   #1
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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???

-Tom
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Old 05-27-2011, 05:58 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.
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Old 05-27-2011, 06:07 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, 06:13 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.
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Old 05-29-2011, 12:05 PM   #5
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Shocks

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.
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