Sure it would add more weight, double the ball joints, double the control arms, a larger knuckle. A lot of oem's that use the design go all aluminum for that reason. It's kind of a bulky system, so they do the best the can to mitigate it's issues.
I love your "Mmmm", I can almost see the face you'd be making at me.
My eyes must of been playing tricks on me when I was looking at the VCT, it looked like they had hacked up that valve cover, but comparing it to other photos, it just looks a little beat up.
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