Massive Amounts of Rear Postive Camber - Progress Coilover Install... - SR20 Forum
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Old 04-12-2009, 12:58 PM   #1 (permalink)
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Massive Amounts of Rear Postive Camber - Progress Coilover Install...

Ok, so I hate to make posts like this, but I've searched repeatedly for some info that would enlighten me, and I'm stumped.

I'm in the process of installing Progress Coilovers on my NX. I got the rears done and dropped the car down to find that I've got quite a bit of postive camber on both sides... I left the perches up with 3.5" of threads left below them (I wanted to start off high and dial down from there) so it's sitting with at least a 1" wheel gap. It doesn't look like both sides are off evenly, but it looks like quite a bit of positive camber - like 3 degrees or something - it's definitely excessive.

I've reread the Progress literature because I started to think that maybe the rear hats are eccentric? It didn't say anything about that though. I can't think of what else could be causing this. I figured it might be off a bit, but this is ridiculous. I also don't think it will go away that much if I dial the perches down... maybe a bit, but not nearly enough to neutralize it.

And no, I didn't have positive camber with the stock struts/springs on - it looked perfectly neutral.

Thanks in advance.
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Old 04-12-2009, 09:03 PM   #2 (permalink)
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From my experience, at least with RWD cars, coilovers will always cause camber. I've only ever seen negative camber from them though.

The positive camber could very well come from lowering the car, try raising it up to stock height to see if it changes at all.

If not, the easiest (maybe not the best), but entirely acceptable route would be to acquire some sort of adjustable thing to make the rear camber adjustable, and get the car aligned. It would probably be best if you aimed for ~1-2* negative camber.
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Old 04-13-2009, 02:06 AM   #3 (permalink)
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When I installed my Progress coilovers on my Sentra I had 1.0 deg of positive camber in the front. When I got it aligned the tech noticed that Progress slotted the stut holes to adjust it back out to negative. Without camber plates I was only able to get -0.4, however when I added Ground Control camber/caster plates I pulled it out to -2.0.
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Old 04-13-2009, 02:17 AM   #4 (permalink)
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after changing your springs an struts you should always take your car to get aligned.. go do it an then u wont have that goofy crooked wheel look lol
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Old 04-13-2009, 02:20 AM   #5 (permalink)
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Quote:
Originally Posted by lynchfourtwenty View Post
after changing your springs an struts you should always take your car to get aligned.. go do it an then u wont have that goofy crooked wheel look lol
the honda guys like that wheel look..
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Old 04-13-2009, 09:34 AM   #6 (permalink)
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Quote:
Originally Posted by myrmidon View Post
From my experience, at least with RWD cars, coilovers will always cause camber. I've only ever seen negative camber from them though.

The positive camber could very well come from lowering the car, try raising it up to stock height to see if it changes at all.

If not, the easiest (maybe not the best), but entirely acceptable route would be to acquire some sort of adjustable thing to make the rear camber adjustable, and get the car aligned. It would probably be best if you aimed for ~1-2* negative camber.
The car is currently at stock height. I suppose I could do camber-adjustable rear lateral links, but I don't think I should have to at this point. 1 or 2 degrees negative in the rear would be ideal, but I'm just shooting for 0 at this point...

Quote:
Originally Posted by featherweight13 View Post
When I installed my Progress coilovers on my Sentra I had 1.0 deg of positive camber in the front. When I got it aligned the tech noticed that Progress slotted the stut holes to adjust it back out to negative. Without camber plates I was only able to get -0.4, however when I added Ground Control camber/caster plates I pulled it out to -2.0.
I have the GC plates up front. The front is not the problem, this issue is with the rear only. And I don't remember seeing the strut holes being slotted...

Quote:
Originally Posted by lynchfourtwenty View Post
after changing your springs an struts you should always take your car to get aligned.. go do it an then u wont have that goofy crooked wheel look lol
Yes, I know. Thanks. I'm not quite at that point yet and I don't want to take it to be aligned until I figure this out since this would appear to be a larger problem than just needing an alignment.
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Old 04-13-2009, 06:08 PM   #7 (permalink)
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I was positive in the rear too. Maybe not "looks like 3 degrees" positive but close to 1 deg measured. You really have to go take it to a shop and get the alignment checked. Just going by how it looks and calling it a huge problem isn't going to lead you to a solution. Have it checked and get some real tangible numbers.
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Old 04-13-2009, 10:16 PM   #8 (permalink)
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Originally Posted by featherweight13 View Post
...Just going by how it looks and calling it a huge problem isn't going to lead you to a solution...
...I realize this...

I thought that perhaps I had indeed missed something (eccentric tophats etc), so I was requesting insight from others, like yourself, who have had the same issue.

The reason I had this reaction is because I know what 1 degree of camber looks like and right now my rear wheels look ridiculous... I've installed coilovers and struts/springs numerous times before and I've yet to be confronted with this much of a change in alignment settings.

Well, in any event, if I haven't missed anything then we'll see what happens when I get it to the shop to be aligned.
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Old 04-14-2009, 06:50 PM   #9 (permalink)
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Loosen the strut bolts and play with it some (pull the low end out push the top in). The struts holes are slotted.
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Old 04-15-2009, 11:08 AM   #10 (permalink)
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Originally Posted by jere View Post
Loosen the strut bolts and play with it some (pull the low end out push the top in). The struts holes are slotted.
Will do! Haven't had a chance to get back under the car... Thanks for the reply.
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Old 04-24-2009, 09:35 PM   #11 (permalink)
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Got under the car today and knocked it back to what looks like zero or maybe +1. I didn't think it was slotted that much...

Thanks guys.
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