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911st 911st is offline
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Join Date: Jan 2004
Location: Sacramento
Posts: 7,269
Ok, this has all helped me accept that I am in pretty good shape out back. My tire ware from DE/TT's is acceptable as are temps using a probe.

Up front however is another thing. I desperately need more neg camber (have -1.2). I am mostly sold on raising the spindle (& add bumper steer adjustment). This should help my camber curve a bunch and I suspect get more around -.5 or more effective camber.

I still however will need more static neg camber and not sure how I should best achieve this.

My options as I see it are:

a) have the spindles decambered. Gives more tire to lip clearance, tighter fit toward strut, not sure what this dose to "scrub radius" what ever that means.

b) go to Smart Racing Camber King that offsets the strut in further and allows me to pull the towers a bit closer together. Then add ER offset ball joints. Should get me in the -2 to -2.5 range I crave.

c) lengthen the front A arms to push the bottom of the wheel out further. This will increase the front wheel rate with my torsion bars to some degree. Kind of the same as "b" I guess.

I think the least cost and easiest is to just decamber when raising the spindle.

Again, my car's is mostly full weight 86 that will stay with softer than full race suspension. Anything that creates camber gain with travel is preferred over just adding static neg camber as this will help my tire wear to a small degree during non race driving.

Anyone see a best approach from a handling dynamics point of view?

I guess in reality, anything more that just trying to achieve close to proper neg camber at the track so I can get decent hold and better tire ware may be overkill and over analysis. Still...
Old 07-17-2009, 01:06 PM
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