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Matth3wAJ

TT/ST5 Rules Clarification - Eccentric Bushing in Knuckle

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Matth3wAJ

I am having a custom eccentric bushing made for the front knuckles to avoid the penalty for modifying the control arm AND bushing. 
 

As I read the rules it actually seems to not incur a penalty. 
 

The key is the control arms, camber arms/links, pan hard bars, watts links, torque arms, aren’t being modified here. Is an eccentric bushing (according to the builder) added to a knuckle falling into this no modification:

“Adjustable plates, shims, and eccentric bolts and bushings for camber/caster adjustment are not assessed a Modification Factor.”

 

I'm in section 6.1.9

 

6A3C27F9-29CA-4C83-A4AF-928EB1FFED86.jpeg

Edited by Matth3wAJ
Word clarification

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f1honda

If you're talking about the item circled in red, wouldn't that be offset bushing and not eccentric bolt

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Matth3wAJ

Bad wording but wouldn’t it be an eccentric bushing? For camber adjustment?

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Greg G.
I think that this would apply:
 
6) Non-OEM metallic and/or spherical design replacement suspension bushing modifications on control/camber/toe arms/links, panhard rods, watts links, and
torque arms shall be assessed a Modification Factor which is in addition to and
additive to #4 & #5 above. (Includes replaced, modified, adjustable, or altered
control arm ball joints for roll-center correction or camber/caster adjustment.
Note: ball joint may be welded to the spindle for added strength).
 
They are non-OEM bushings, and they are metallic.
 

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f1honda

it can be a spacer since there's no revolving axle, which is the definition of a bushing? 

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