Im with ya

 

Not true, I ran 5 degrees of camber in the rear consistantly and with factory adjustment I could not fit my setup. By putting a set of SPC's and adding camber through the upper control arm and then returning the oem camber adjustment to 5 degrees, I then had the clearance I needed. Were not talking feet here but it does have a large effect on where the adjustment is made. Ive aligned my car about 5 times within the past 2 months trying to get it where I was happy.

Although you will see more of a difference in the front than the rear and I have yet to figure out why.
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Can you explain your theory? It still doesn't make sense to me.

You can see a bigger difference in clearance in the front because the stock adjustment is fairly limited (I got -6.4 out of my factory rear and -3.6 out of my factory front adjustment). The SPC joints can add a lot of camber by just sliding the ball joint in, but once you push the toe out to compensate (Toe adjustment is on the bottom), you lose a lot of that clearance. To me, it's the same, but perhaps the LCA adjustment causes the car to lower more when you camber more and that's where you're finding your difference in clearance.
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This is true.

I cant explain it on here but you can do it with a pencil(the hub) and some pennies(control arms).
1.Two penies both top(upper arm) and bottom(lower arm) and the pencil is perfectly vertical. Draw a line.
2.Add a pennie to the bottom(factory adjustment). Draw a line.
3.Now return the original 2 pennies to the bottom and remove a pennie from the top(spc or equivalent). Draw a line.

The amount of camber remains the same, but the first line is further out.
If this confuses the crap out of you I understand.... .
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Unless I am picturing this wrong, you'd end up with 2 parallel slanted lines...

I still don't buy it. When you pull the top in, the bottom is effectively pushed out. Same thing when you do the opposite.
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Correct two parralel lines, but not overlapping(that tells you that the same amount of change applied to both upper or lower has different effects). As you can see, you yeild more clearance trough removing the upper pennie. So if you wanted to remove upper gap as in the s2k with the RS's, it would be more effectively acheived via the upper control arm.

I deleted my posts so I dont get shot in here.
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They're parallel meaning that he same amount of adjustment (whether top or bottom) has the same effect, otherwise they would NOT be parallel. To flush out the s2000 on RS', he just needs to take out camber period. It doesn't matter whether it's from the top or bottom. What if he doesn't even have SPC ball joints?

 

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question.. is this how negative camber is set on the spc camber bolt kit?

 

You want to make the distance from the upper control arm mounting point to the rear hub carrier as short as possible to gain max camber

 

finally got around to the 6pt cusco the other day... still have the mirrors and a few other things to install before IA




close up

 

FLAWLESS Everything looks amazing, especially the wheels and cage.

 

Looks sick KJ! You do work!