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06-21-2022, 10:46 AM
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#1
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Senior Member
Join Date: May 2009
Posts: 1,837
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Input please- Suspension
Hi folks
Here is the sitch:
Folks
a little first hand experience would be awesome
Rig:
Class C Majestic 19 G - Cruise America second hand 127,000 miles
single rear wheels, Bilstein's will be mounted in a few days
Ford E350 chassie
On the list
Front and rear sway bars and Sumos
Helwig
Front-7718
rear-7182
Sumos
Front: SSF-106-40
Rear: SSR-106-40-1
Current Plan
Rear Sway
Front Sumos
see how it rides
then
Front sway
Rear Sumos
Comments?
Thoughts?
Thank you in advance
BW
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06-21-2022, 12:51 PM
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#2
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Senior Member
Join Date: Nov 2020
Posts: 436
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I’m not sure but: checking coil and leaf springs? All rubber bushings (like sway bar and so on) as you already get your hands dirty.
Check u joints, ball joints,…
Not sure if you‘re only asking for suspension, but for the sake of completeness:
Swap all fluids (engine, transmission, diff, coolant, brake fluid,…), brake pads, spark plugs, coils, oil filter, gas filter and especially check for possible leaks „behind the scenes“
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06-21-2022, 12:54 PM
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#3
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Senior Member
Join Date: May 2009
Posts: 1,837
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Quote:
Originally Posted by E-350
I’m not sure but: checking coil and leaf springs? All rubber bushings (like sway bar and so on) as you already get your hands dirty.
Check u joints, ball joints,…
Not sure if you‘re only asking for suspension, but for the sake of completeness:
Swap all fluids (engine, transmission, diff, coolant, brake fluid,…), brake pads, spark plugs, coils, oil filter, gas filter and especially check for possible leaks „behind the scenes“
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Good points, the divetrain in up to speed, i have had for a year
This is a supension only upgrade
On my list is new rubber bushings and checking ujoints and ball joints
Thank you for the reminder
bw
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06-21-2022, 01:05 PM
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#4
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Senior Member
Join Date: Nov 2019
Location: Denver Colorado
Posts: 820
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To the OP, why are you wanting to do these mods? does she wallow in the corners? blown around by trucks. etc?
I have no experience with the sway bars in my van but I have read in here that many opt for the E450 sway bar when used on a class C
Bilstein makes two damping levels for the van shocks, be sure to get the RV model (firmer).
__________________
2002 e350 window eb,
7.3
CCV high top
Conversion in process. Lol
Denver, CO
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06-21-2022, 04:14 PM
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#5
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Senior Member
Join Date: May 2009
Posts: 1,837
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Quote:
Originally Posted by Lilnuts2
To the OP, why are you wanting to do these mods? does she wallow in the corners? blown around by trucks. etc?
I have no experience with the sway bars in my van but I have read in here that many opt for the E450 sway bar when used on a class C
Bilstein makes two damping levels for the van shocks, be sure to get the RV model (firmer).
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Nuts:
wallows like a pig LOL
trucks and wind buffet me
Bilstein HD just arrived minutes ago
Think i will test with them
RV forum are split 50/50
sumo/swaybars
Sumos front are $200
Rear sway bar @ $300
Will advise
any one with first hand info, much appreciated
and as always, welcome to input from you folks
bw
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06-21-2022, 04:58 PM
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#6
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Senior Member
Join Date: Mar 2015
Location: Maryland
Posts: 3,378
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I would consider air bags in the rear (with dash controls - which would require an on-board air compressor), this way you have the capability of easily adjusting the pressure to fit your needs.
I often increase pressure when driving slalom type roads to stiffen the rear, and decrease for easy driving (highways, Interstate, etc). Pair these with your upgraded shocks, and a sway or track bar and you'll be questioning why you didn't do this sooner.
__________________
TwoXentrix
"AWOL"
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06-21-2022, 05:20 PM
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#7
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Senior Member
Join Date: May 2009
Posts: 1,837
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Quote:
Originally Posted by Twoxentrix
I would consider air bags in the rear (with dash controls - which would require an on-board air compressor), this way you have the capability of easily adjusting the pressure to fit your needs.
I often increase pressure when driving slalom type roads to stiffen the rear, and decrease for easy driving (highways, Interstate, etc). Pair these with your upgraded shocks, and a sway or track bar and you'll be questioning why you didn't do this sooner.
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That makes sense
shocks just arrived
will order rear sway soon
(my rig is only 19ft, track bar usage is not mentioned much on the RV boards)
any recommendation on air bags?
THANK you
BW
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06-21-2022, 06:20 PM
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#8
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Senior Member
Join Date: Jan 2009
Location: Boulder, CO.
Posts: 2,554
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I have a set of these on the rear of the van for towing
https://www.airliftcompany.com/produ...gs/know-squat/
There’s also Firestone air springs
__________________
'03 Ford E350 7.3L Diesel
(de)SMB'd Custom RB-50
Quigley 4X4 w/Deavers & Agile Offroad's R.I.P. package
CCV High Profile Pop Top
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06-22-2022, 10:46 AM
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#9
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Senior Member
Join Date: May 2009
Posts: 1,837
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Update:
Here is my path to date:
1) bilsetin hd all around
2) rear swaybar helwig
3) check all ball joints and fittings during swaybar & shock install
4) full alignment
Test drive
Phase Two
1) Rear Sumos
opting for sumos vs airbags due to install cost/time and not down for another "system"
that may need service
Test drive
Phase Three
1) new front steering stablizer
2) front sumos
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06-22-2022, 04:34 PM
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#10
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Senior Member
Join Date: Nov 2012
Location: Brentwood, CA
Posts: 1,051
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"wallows like a pig"
Bill, that makes me chuckle
I've straightened out a few wallowing pigs, and I like your list, rear sway bars really help, as do very stiff shocks, helper bags (the 100psi type) will help a lot. But from my experience, it lacks an examination of tires, specifically tire sidewall stiffness.
You mention single rear wheel, which isn't by itself horrible, but with the overhang typically present on class C motorhomes, often rear bath and gray, black, and freshwater tank locations (causing the center of gravity to move aft) not having stiff enough sidewall tires will have a profound effect on camper 'wallowing'.
When I say profound, I'm not overstating here, we're talkin' night and day difference. 8ply, 12ply load range E or higher if you can find 'em, all four corners. That, with sway bars and shocks, helper bags if the rear is sagging, and it will drive like a new rig.
__________________
1995 E350 7.3 Diesel, 4x4 high roof camper, UJOR 4" lift
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