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Re: Body roll on shut down..
[Re: 540DUSTER]
#1528942
11/05/13 09:42 PM
11/05/13 09:42 PM
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Joined: Feb 2011
Posts: 1,454 Glendora Ca.
Just-a-dart
pro stock
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pro stock
Joined: Feb 2011
Posts: 1,454
Glendora Ca.
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Quote:
measure the toe pattern of each wheel,sounds like a bump steer problem to me.
This could be it, and the stiffer (pre Calvert)front shocks were not letting the front dip down as fast when on the brakes.
Last edited by Just-a-dart; 11/06/13 02:13 AM.
"Just a Bracket car dressed up like a streetcar"
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Re: Body roll on shut down..
[Re: dvw]
#1528944
11/06/13 06:33 PM
11/06/13 06:33 PM
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Joined: Dec 2005
Posts: 293 Kansas City Metro
mbogina
enthusiast
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enthusiast
Joined: Dec 2005
Posts: 293
Kansas City Metro
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Many times a rear end "sashay" similar to this is actually a harmonic problem in the frequency of the suspension front to rear, often cured by stiffening the damping of the front shocks to kill or reduce the harmonic.
Be a Rebel- Break the Laws of Physics!
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Re: Body roll on shut down..
[Re: mbogina]
#1528945
11/06/13 07:59 PM
11/06/13 07:59 PM
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Joined: Jan 2005
Posts: 2,540 Milwaukee WI
TRENDZ
master
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master
Joined: Jan 2005
Posts: 2,540
Milwaukee WI
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Is this happening only on decel? If so, what is the method of slowing the car? Does it happen without the brakes being applied? Does the engine induce significant engine braking? Do you have a spool or a locking style diff? Does the car still have a front stabilizer bar?
"use it 'till it breaks, replace as needed"
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Re: Body roll on shut down..
[Re: plycuda]
#1528947
11/06/13 11:08 PM
11/06/13 11:08 PM
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Joined: Jan 2003
Posts: 17,928 Akron, Ohio
ProSport
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 17,928
Akron, Ohio
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I was watching the 8 second Hemi Cuda's at the finish line at Norwalk a few years ago and some of them were scary to watch as they would rock/roll side to side at speed and even more when they got on the brakes. And one of the Dart's looked like it was gonna roll over on it's roof when he slowly turned into his pit spot. Not sure why.
1970 Challenger, all aluminum 528 Hemi, HDK suspension, Tremec 5 speed manual
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Re: Body roll on shut down..
[Re: ProSport]
#1528948
11/08/13 10:04 AM
11/08/13 10:04 AM
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Joined: Nov 2006
Posts: 1,086 Baton Rouge, La.
StandOnIt
OP
super stock
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OP
super stock
Joined: Nov 2006
Posts: 1,086
Baton Rouge, La.
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Thanks for all the replies guys. The K member is solid mounted to body. The front wheels have no "slop" in them due to all new parts at the wheels, no front or rear sway bars. Steering box it tight to K member. It starts as soon as you lift off the gas and gets worse as the brakes are applied. I got it out of the trailer and inside in our warehouse on flat concrete. The diag link for the ladder bars have slop in it. The brackets ARE wore out. I am going to pull them and replace with longer bolts, recheck the rear susp then get out on the 4 lane hwy and make a little hit with it to see. I will post findings. Thanks everyone again.. You guys are the best!
76' Volare, 5.9 magnum w/Iron heads. New best 10.68 at 123 mph 1/4 mile.
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