Good Sam Club Open Roads Forum: E450 Sway Bars Make and Price
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 > E450 Sway Bars Make and Price

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j-d

Sunny Florida USA

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Posted: 02/16/10 09:33pm Link  |  Print  |  Notify Moderator

Looking to add front and rear sway bars. From Roadmaster's advertising, they have Larger Diameter, Better Steel, and Better Bushings. Than Who? Clearly OEM where Ford's Front is 1", Rear is 1-1/8" and Bushings are Rubber. RM's are 1-3/8" Front, 1-1/2" Rear, 4140 Steel and Poly bushings. I looked up Hellwig expecting the specs to be lesser in size, steel, or bushings. All three matched RM's specs. So it seems to me that the only difference between RM and Hellwig is Color and Price. Am I missing something?
Who's shopped these parts? So far I've found best prices on Hellwig at suspensionconnection and RM at expressrv.
I'm also having problems IDing the correct Rear Hellwig Part Number for 2002 E450...
So Engineers, Economists, Techs, please help me out here! THANKS!


If God's Your Co-Pilot Move Over, jd
2003 Jayco Escapade 31A on 2002 Ford E450 V10 4R100 218" WB

Handbasket

Asheville, NC

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Posted: 02/17/10 06:33am Link  |  Print  |  Notify Moderator

I put a Hellwig rear bar on my little Silverado-based C about 3 1/2 years ago. I don't recall the price or who I ended up ordering from. No serious complaints, but I wasn't at all impressed with the quality of the hardware or instructions. The black paint finish is kinda cheesy-looking, but it hasn't rusted. Certainly no complaints about function.

Jim, "Mo' coffee!"


'06 Tiger CX 'C Minus' on a Silverado 2500HD 4x4, 8.1 & Allison (aka 'Loafer's Glory')

j-d

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Posted: 02/17/10 04:31pm Link  |  Print  |  Notify Moderator

Correct Hellwig numbers are 7008 Front and 7180 Rear. Ordered both from SDTruckSprings, a suspension specialist in Long Island NY. They didn't have a shipping special but with a 15% off sale they came in less than $19.95 or free shipping on other sites. Now to wait for the goodies and do a project.

CISCO8325

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Posted: 02/17/10 08:47pm Link  |  Print  |  Notify Moderator

here is link http://www.sdtrucksprings.com/index.php?main_page=index&cPath=1504_1507_1543sbdd

j-d

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Posted: 02/17/10 09:10pm Link  |  Print  |  Notify Moderator

That would be it. I didn't ask how long the sale ran. Project list gets longer. Also have tire valve stems to install. So if the wheels need to come off to do the bars...

Lawdog78

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Posted: 02/18/10 04:34am Link  |  Print  |  Notify Moderator

To keep from starting another thread on the same subject.... what is the difference in a trac bar and a sway bar? Which is better to have? Thanks in advance

j-d

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Posted: 02/18/10 05:56am Link  |  Print  |  Notify Moderator

In a Class C, the front "axle" is two pieces, attached to the frame in the center. The rear axle is one piece, standing on springs and linked to the frame with shackles and bushings. On the road, the rear of the chassis can easily shift side-to-side with respect to the axle. Since the rear does this and the front can't, the coach gets pointed off course. Driver has to steer the front end to compensate. TracBar, Track Bar, Panhard Rod limits sideways movement of the axle in relation to the chassis. The problem's worse on most Class A chassis because BOTH ends sit on a full axle that can shift under the coach.
Sway Bars reduce side-to-side rocking. So logic follows that if you don't want to keep doing steering corrections and don't care if the coach rocks'n'rolls down the road, install a TracBar.
But Ah, the Glitch! The Ford Twin I-Beam front axle in Class C chassis changes "steering geometry" as the front end rises and falls. And it STEERS when one front wheel rises/falls differently from the other. And, the "old" chassis, 1991 and prior, used a righteous front sway bar. Secured to the chassis in the center and linked to the tips of the half axles with "end links." But Ford cheaped out on the "new" 1992 and later chassis - the ends of the sway bar poke through holes in the axle and the roll control just isn't as tight.
When I added the two Ford design issues together, I decided on sway bars first. Also, stiffer-than-OEM sway bars, mounted on hard poly bushings (OEM are rubber) should keep the coach steadier when stopped. I was also fortunate to have a conversation with Eric Davis (aka Davis TruTrac Bar... http://www.ericsrv.com/Davis.html) who explained the effect of roll on Ford steering and the ineffectiveness of the late model E-Series sway bar compared with the earlier one. I'd already decided that our old 1983 E350 tracked way better than the current 2002 E450 and Eric explained the engineering of why. He doesn't even offer rear track bars, so if I want one of those it'll have to come from BlueOx or John Henderson, and I think one of those companies actually makes both.
Link to Henderson's SuperSteer Track Bars
http://supersteersuperstop.com/uncategorized/supersteer-trac-bars/
Link to BlueOx's TigerTrak bars http://www.blueox.us/TruCenter/tiger_trak.html
Pick an application from each and notice ths similarity in Part Numbers.

* This post was edited 02/18/10 09:21am by j-d *

Lawdog78

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Posted: 02/18/10 06:21pm Link  |  Print  |  Notify Moderator

Wow, thanks for the in depth explanation J-D

ljeast

Tennessee

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Posted: 06/29/10 09:04am Link  |  Print  |  Notify Moderator

j-d wrote:

Correct Hellwig numbers are 7008 Front and 7180 Rear. Ordered both from SDTruckSprings, a suspension specialist in Long Island NY. They didn't have a shipping special but with a 15% off sale they came in less than $19.95 or free shipping on other sites. Now to wait for the goodies and do a project.


a little off topic ? Did you have to wait very long for your order from SDTrucksprings? I ordered some Firestone Airbags 2 weeks ago... haven't received any kind of communication and can't get them to answer the phone

Thanks, LJ


2010 F150 XLT/SCab/6 1/2'/4x4 5.4L/3.55
Class IV Factory Tow Pkg 7200# GVWR Pkg
2010 Flagstaff 8528RLWS
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carringb

Corvallis, OR

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Posted: 06/29/10 01:12pm Link  |  Print  |  Notify Moderator

To add to J-D's post...

2008+ E-series have the end-link style sway bar from the factory. I upgraded my van to an '09 front axle for this reason, and also the much larger front brakes.


As to which aftermarket bar... If you will ever take the MH off-road, go with the RoadMaster front bar. The hardware is much better designed. Hellwig parts are put in bending, and use grade 2 hardware. They seam to hold up to highway use just fine, but I wouldn't trust it for more severe use.


Bryan

2000 Ford E350 DRW Wagon, V10 - 385,000 miles
2014 CreekSide 31KQBS (QuadSlide bunkhouse)


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