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Re: adjusting bumpsteer A body [Re: mopar dave] #1388406
02/16/13 09:53 PM
02/16/13 09:53 PM
Joined: Apr 2006
Posts: 3,675
Akron, Ohio U.S.A.
roadhazard Offline
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Akron, Ohio U.S.A.
From what I have read in the Chrysler Chassis Bible, yes there is a difference between front and rear steer cars.

My Stick with the info in the Bible and don't cause yourself any confusion

I need to put this practice into action on my car and have been reading, collecting parts and procrastinating

Re: adjusting bumpsteer A body [Re: mopar dave] #1388407
02/16/13 09:57 PM
02/16/13 09:57 PM
Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY Offline
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Romeo MI
Quote:

My measurements are
1/16 toe in
0 camber
4 caster




Are your specs with the body up 1".. thats the way to
set up a drag car... also... did it go toe in or toe
out during the suspension travel.... toe out is BAD and
will cause the car to dart around

Re: adjusting bumpsteer A body [Re: MR_P_BODY] #1388408
02/16/13 10:31 PM
02/16/13 10:31 PM
Joined: Jan 2009
Posts: 813
Ontario,Canada
brads70 Offline
super stock
brads70  Offline
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Posts: 813
Ontario,Canada
Here is what I did for my E-Body to get rid of most of the bumpsteer.

http://www.howeracing.com/p-7449-howe-quick-bump-tie-rod-ends.aspx





Re: adjusting bumpsteer A body [Re: MR_P_BODY] #1388409
02/17/13 12:04 AM
02/17/13 12:04 AM
Joined: Jan 2007
Posts: 8,040
Mt Morris Michigan
mopar dave Offline OP
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mopar dave  Offline OP
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Mt Morris Michigan
Yes 1" up. Toe in as I lift it.

Re: adjusting bumpsteer A body [Re: brads70] #1388410
02/17/13 12:10 AM
02/17/13 12:10 AM
Joined: Jan 2007
Posts: 8,040
Mt Morris Michigan
mopar dave Offline OP
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mopar dave  Offline OP
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Mt Morris Michigan
Wow? That looks like way more work than I care to do.

Re: adjusting bumpsteer A body [Re: brads70] #1388411
02/17/13 03:33 PM
02/17/13 03:33 PM
Joined: Nov 2005
Posts: 248
Sweden
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Tobbe Offline
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Tobbe  Offline
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Sweden
its that a roadrace /stiff spring car? dragcars have a lot of suspensiontravel wouldnt lower the outher joint ad toe when wheelstand? my steeringarms are not parallel to the ground when on race height
Quote:

Here is what I did for my E-Body to get rid of most of the bumpsteer.

http://www.howeracing.com/p-7449-howe-quick-bump-tie-rod-ends.aspx








Re: adjusting bumpsteer A body [Re: Tobbe] #1388412
02/17/13 04:07 PM
02/17/13 04:07 PM
Joined: Jan 2003
Posts: 27,468
So Cal
autoxcuda Offline
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Posts: 27,468
So Cal
Quote:

its that a roadrace /stiff spring car? dragcars have a lot of suspensiontravel wouldnt lower the outher joint ad toe when wheelstand? my steeringarms are not parallel to the ground when on race height

Quote:

Here is what I did for my E-Body to get rid of most of the bumpsteer.....







Brad70 has C-body spindles adapted to his E-body to get thick rotor and camber gain for a handling car. So other E/B bodies with stock spindles may have different tie rod spacer needs.

Although, Dartman366 has similar thick spacers on is drag car. And the ride height looks pretty high to me.

I think it's the starting point on your drag car Tobbe that will make a difference. Yours is jacked up at ride height and they say add 1" to you ride height for drag cars for a starting/zero point. Then measure 3" bump and extension for bump steer.

Last edited by autoxcuda; 02/17/13 04:08 PM.
Re: adjusting bumpsteer A body [Re: autoxcuda] #1388413
02/17/13 06:41 PM
02/17/13 06:41 PM
Joined: Nov 2004
Posts: 4,330
Lynchburg, VA
Leon441 Offline
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Lynchburg, VA
Don't know if this will help on your particular car. I was having terrible results with stock suspension. I found that every time the car broke in a wheelstand it would drag the headers. I decided the car did not need squat any lower than ride height. So I made new lower control arm bumps. Used lakewood traction bar snubbers and as many fender washers as I could get below them. My car was not in the weeds or jacked up. The upper control arms were level.

For me this fixed a lot of the darting coming out of wheel stands and a lot of maner problems on the street. A drag car does not need to be set up for the suspension to allow for driving over rocks and logs. LOL

Leon


Career best 8.02 @ 169 at 3050# and 10" tires small block power.
Re: adjusting bumpsteer A body [Re: Leon441] #1388414
02/17/13 07:25 PM
02/17/13 07:25 PM
Joined: Jan 2007
Posts: 8,040
Mt Morris Michigan
mopar dave Offline OP
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Mt Morris Michigan
looks like the hotchkis tie rods would be the easiest fix. thanks for all the info guys. i'll get after this bump steer issue in a few weeks.

Re: adjusting bumpsteer A body [Re: Leon441] #1388415
02/18/13 09:11 AM
02/18/13 09:11 AM
Joined: Nov 2005
Posts: 248
Sweden
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Tobbe Offline
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Tobbe  Offline
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Joined: Nov 2005
Posts: 248
Sweden
i have done the bumpstops all ready and will move the outher joint as well
Quote:

Don't know if this will help on your particular car. I was having terrible results with stock suspension. I found that every time the car broke in a wheelstand it would drag the headers. I decided the car did not need squat any lower than ride height. So I made new lower control arm bumps. Used lakewood traction bar snubbers and as many fender washers as I could get below them. My car was not in the weeds or jacked up. The upper control arms were level.

For me this fixed a lot of the darting coming out of wheel stands and a lot of maner problems on the street. A drag car does not need to be set up for the suspension to allow for driving over rocks and logs. LOL

Leon



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