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Old 05-31-2019, 03:48 AM   #1
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Brand: Thor Motor Coach
Model: 2017 Miramar 34.2,
State: California
Posts: 106
THOR #14761
Cf Suspension front and rear what is dest

Hello all you all, have a 34.2 Miramar added rear and front sway bars plus sumo bumpers in the front only. My question is Regarding The manufacturers-stock sway bars. the stock position is the leading hole on the very front of the sway bar, I think it best to move It back to the first position, for more Stability. Is this correct or am I asking for frame issues.
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Old 06-04-2019, 02:36 AM   #2
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Model: A.C.E. 27.2
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THOR #14698
Hundreds if not thousands of folks have done the CHF on there F53 chassis. I have yet to read of anyone trashing the frame. I would think the end link would break long before there was an issue with the frame. There are literally a half a bazillion YOU TUBE videos on the same modification and a bazillion posts on the MH forums.
I did the front and rear CHF on my ACE 27.2 today. In my case the front was more difficult than the rear. My next move before we take an extended 4 week trip through the Rockies is to put a Roadmaster steering stabilizer on the coach and a rear track bar.
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Old 06-04-2019, 03:41 AM   #3
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The front CHF is a bit easier and less stressful on the components if you replace the links with longer ones for better geometry. Costs about $100 though so itís less cheap.
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Old 06-04-2019, 12:00 PM   #4
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Originally Posted by Pete'sMH View Post
The front CHF is a bit easier and less stressful on the components if you replace the links with longer ones for better geometry. Costs about $100 though so itís less cheap.
So considering component stresses...does anyone know with certainty whether or not the CHF and other suspension mods invalidate the Ford warranty?
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Old 06-04-2019, 06:54 PM   #5
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Don't quote me on this but the CHF is a modification of an existing Ford part that has another adjustment hole in the bar, nothing added unless you change the links. Adding aftermarket parts may be another story. E.G. the steering stabilizer is an attachment to the tie rod center link. IF a tie rod failed I think Ford has a valid argument to say you added after market parts and that caused the failure, no warranty repair. If you add Ford mfgr, after market parts such as a track bar, shocks etc. then they shouldn't have an issue. Just MHO.
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Old 06-04-2019, 07:32 PM   #6
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this was discussed on irv2. Ford told a member it was fine and no problem with warranty

Jerry
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Old 06-04-2019, 10:34 PM   #7
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Brand: Thor Motor Coach
Model: Hurricane 31D
State: Virginia
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THOR #5638
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Originally Posted by SANDDOG View Post
Hello all you all, have a 34.2 Miramar added rear and front sway bars plus sumo bumpers in the front only. My question is Regarding The manufacturers-stock sway bars. the stock position is the leading hole on the very front of the sway bar, I think it best to move It back to the first position, for more Stability. Is this correct or am I asking for frame issues.
Since you already added aftermarket sway bars and Sumos I wouldn't make the change. You're could be getting into an area of diminishing return or potentially too stiff and effect general ride comfort.

The original idea was to move the links then judge the performance and if you need to start spending money for after market items. You going in the wrong direction.
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