My torque arm idea...
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11 Second Club
Joined: Jul 2005
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From: West Linn, Oregon
My torque arm idea... I was sitting with my buddy working on his car with a 4 link rear suspension, setting the rear suspension for this weekend. We got to talking about the F-body Torque Arm, and now we are thinking about building something to try...
Making a T/A similar to the structure of one side of the 4 link...
The idea is 2 fully adjustable rod ended torsion bars, the rear mounted like all other aftermarket adjustables, the front rod ends sandwiched between metal triangles, the tip of the triangle then mounts at the front as a pivot point...
What do you guys think? Running the numbers it looks it should work...
Making a T/A similar to the structure of one side of the 4 link...
The idea is 2 fully adjustable rod ended torsion bars, the rear mounted like all other aftermarket adjustables, the front rod ends sandwiched between metal triangles, the tip of the triangle then mounts at the front as a pivot point...
What do you guys think? Running the numbers it looks it should work...
The stress loads on the front mounting hardware would be a ton. You would hace to use something like a 1" bolt on the pivot.
Doesn't the front of the mount have to be able to slide back and forth a little bit as the rear goes up and down? Every aftermarket setup I've eer seen has some way of being able to move foreward and backwards at the front a little, wether it be the stock arm, an aftermarket like a bmr that can slide in the poly bushing, a spohn one that has a couple plates that allow the arm to move foreard and back slightly, etc.etc.
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From: Albuquerque NM - The Land of 8000ft DA
Save yourself the trouble and buy one from Madman, Wolfe or Burkhart (all sponsors). They already make similar setups.
I bought a Spohn piece and I'm going to have some additional links made for more adjustability.
I'll see how the car responds, if it fails I'll buy a Madman piece.
I bought a Spohn piece and I'm going to have some additional links made for more adjustability.
I'll see how the car responds, if it fails I'll buy a Madman piece.
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Originally Posted by 1SlowFormula
What do you guys think? Running the numbers it looks it should work...
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Originally Posted by SScam68
I'll see how the car responds, if it fails I'll buy a Madman piece.
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From: Albuquerque NM - The Land of 8000ft DA
Originally Posted by GIZMO
Why didn't you tie this into your frame connectors? It would probably work much better.
With Madman's, Wolfe's or Burkhart's arms you have to tie them to the SFC's but also to the body. I was hesitant to weld anything to the car because it isn't paid for yet. That should be taken care of this month though. I bought this torque arm in the interim but the more I thought about how it was designed and after looking at Wolfe's, Madman's and Burkhart's torque arms and how they were designed I realized what they were trying to achieve.
The link on the chassis mount front arm introduces another variable and can cause the IC to change when the chassis is loaded. The other arms don't have that link.
I'm gonna have some extra links waterjet cut with different spacing and see what what I can get out of it. Not gonna cost much to do it so why not.
Top diagram is the chassis mount and how it'll react with the 5th link, the bottom are how the other arms are setup. Keep in mind there is other stuff going on, not just this.
