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Forum: Homemade SMB - Ground Up Builds

03-30-2011, 05:28 AM

Replies: 60

Quadvan Death Wobble

Views: 22,833

Posted By TurboStew

Re: Quadvan Death Wobble

After a few PMs and emails, I was persuaded to post this update.

I have since put several thousand miles on the E350 and have not experienced a hint of death wobble. Some people were asking...

Forum: Homemade SMB - Ground Up Builds

04-04-2010, 01:00 PM

Replies: 60

Quadvan Death Wobble

Views: 22,833

Posted By TurboStew

Re: Quadvan Death Wobble

Survivors of serious DW will tell the rookies that "shimmy" is not DW. While the definition of DW is vague, IMHO all conditions of wheels resonating back and forth all have the same root causes and...

Forum: Homemade SMB - Ground Up Builds

03-26-2010, 09:44 PM

Replies: 60

Quadvan Death Wobble

Views: 22,833

Posted By TurboStew

Re: Quadvan Death Wobble

Amen Brother!

The thing we are band-aiding is the crappy Ford design. I am convinced that long flat track-bars with flat equal length steering drag links don't exhibit this problem. I need two...

Forum: Homemade SMB - Ground Up Builds

03-25-2010, 08:44 PM

Replies: 60

Quadvan Death Wobble

Views: 22,833

Posted By TurboStew

Re: Quadvan Death Wobble

I have about 7000 miles on it with the dual stab setup, no DW hints ever!

Forum: Homemade SMB - Ground Up Builds

03-25-2010, 08:31 PM

Replies: 60

Quadvan Death Wobble

Views: 22,833

Posted By TurboStew

Re: Quadvan Death Wobble

This is the cheapest closest thing I have found.

https://trucktoyzstore.com/realm/pc/view ... tegory=368 (https://trucktoyzstore.com/realm/pc/viewPrd.asp?idproduct=1841&idcategory=368)

Maybe...

Forum: Homemade SMB - Ground Up Builds

03-25-2010, 08:29 PM

Replies: 60

Quadvan Death Wobble

Views: 22,833

Posted By TurboStew

Re: Quadvan Death Wobble

Here you go men!

Shock Part number is:
BE5-6253-H5

the mount on the axle is just a piece of 1.5" x 3" x 3/16 channel welded to a ~5 inch piece of 2x2 square tube. The whole assembly is...

Forum: Homemade SMB - Ground Up Builds

03-24-2010, 11:38 PM

Replies: 60

Quadvan Death Wobble

Views: 22,833

Posted By TurboStew

Re: Quadvan Death Wobble

Sure Turbo works, call me any thing except "late for dinner".

No, I was referring to the factory Ford damper. Duals did the trick. I think the singles are a joke because of the dead spot. By...

Forum: Homemade SMB - Ground Up Builds

03-24-2010, 10:22 PM

Replies: 60

Quadvan Death Wobble

Views: 22,833

Posted By TurboStew

Re: Quadvan Death Wobble

I know when I was chasing the evil poltergeist, I found a set of nasty RR tracks that I could make it do it every time. Hit'r about 40 with a slight left turn (wheel at 10:30 position) as I hit the...

Forum: Homemade SMB - Ground Up Builds

03-24-2010, 09:44 PM

Replies: 60

Quadvan Death Wobble

Views: 22,833

Posted By TurboStew

Re: Quadvan Death Wobble

Yea I know guys, gotta bunch of snow here in Ft Collins. I hope to get pics in then next day or two.

I don't believe you will ever get rid of the DW without changing some mass some where or...

Forum: Homemade SMB - Ground Up Builds

03-21-2010, 09:31 PM

Replies: 60

Quadvan Death Wobble

Views: 22,833

Posted By TurboStew

Re: Quadvan Death Wobble

I had this problem and spent many hours researching the problem. It is basically a text-book spring-mass-damper problem. I have 06 F350 axles in my E350 and could not get the death-wobble to go...

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