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Suspension & Braking Forum by BimmerWorld
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Old 09-29-2012, 08:36 PM   #1
IrocThe325i
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Join Date: Jan 2010
Location: NWNJ
Posts: 1,574
My Ride: chirps when I turn
Concept for roll center correction. Fabricators and engineers please chime in.

Okay, so, as most of us know over lowering a car with a Macpherson strut suspension design causes poor roll center. Poor roll center means that regardless of how low you go you will not reduce body roll as expected. Lowering does lower center of gravity but that doesn't mean sh*t if the end of your control arms are pointing upwards at a 60* angle.

So heres an idea that seems pretty simple which makes me believe i'm over looking something substantial.

On the Knuckle (spindle/hub) Why can't you extend the little arm that protrudes downward where the ball joint bolts through? If you cut it and welded an inch and a half or so and gusseted the arm, leaving room for the balljoint bolt of course, would it crack off and cause you to flip and burn to death???

Im trying to find a diagram to modify to help provide a better explanation of what im talking about.

Im considering having my fabricator friend modify a set of knuckles and test it out. Although i rather use a beat up old e46 than mine.

All you people that are most likely smarter than me, throw some input my way and tell me why or why not.
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Last edited by IrocThe325i; 09-29-2012 at 08:37 PM.
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