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Old 07-29-2009, 08:54 PM   #1
Five-seveN
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Default Help! MR Coilover setup.. EPIC FAIL!!!

So, there I was, staring at the rear end of my WRX after just installing the Megan Racing Street Dampener Kit. The reason for this obviously ghastly gaze was due to the fact that visually I could tell that I was going to have way too much camber in the rear, and not nearly enough in the front.
This wasn't a home garage job (I'm simply not that crafty), this was at our cousin's tire shop. He has a whole lot of experience because he has grown up in this shop. Anything to do with a car, he usually had an answer, except for now. For he was standing right beside me with that same stupid look on his face.
Once we got it on the rack, we maxed out the front negative camber and Z'ed out the toe, rear camber was still jacked. Rear left was sitting at -3.1 and rear right was at -3.5. Besides spending more money on camber plates for the rear does anybody else have a solution or know what we did wrong???
I need to get this fixed fast cause in a few days I'll be putting more miles on the car only further chewing up the rears...
Thanks for all the input!

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Old 07-29-2009, 08:56 PM   #2
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Just so we're clear, the answer is yes, I am well aware of the pictures crappy quality. And no, you don't need glasses.
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Old 07-29-2009, 10:05 PM   #3
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Yup, seen that same issue on megan/bc product for teh GD. The rear lower clevis holes are machined in a strange position. I was personally annoyed and shocked at what the rear camber was like. We needed camber bolts in the rear to bring it back. IMHO, crap attention to detail.
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Old 07-29-2009, 10:20 PM   #4
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Grrr...
I was afraid I was gonna have to do something stupid like that. How do the crash bolts hold up to aggressive driving?

I dunno if you can see it, but the front was effed too, we were only able to pull -1.1 at the LF and -.07 at the RF. I'm gonna be calling Megan tomorrow to see what's going on in their R&D shop cause this kinda stuff really gets under my skin. Too much money for an ill thought out piece of equipment. I'm gonna chalk this one up to being a lemon though cause you can't ignore all the other people who are happy with theirs.
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Old 07-29-2009, 10:26 PM   #5
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Is there a camber plate in the rear?
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Old 07-30-2009, 12:06 AM   #6
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Camber plates will typically be adjusting the wrong direction. They'll increase from zero, not decrease. I think you're stuck with camber bolts (which I don't trust) or having the holes machined into slots like the KW3's/RCE-T2's are in the back.
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Old 07-30-2009, 12:11 AM   #7
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In the front take the allen bolts out in the camber plates and there is another set of holes you can use to get more negative camber. In the rear you will need aftermarket camber bolts.
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Old 07-30-2009, 12:27 AM   #8
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IIRC, i think the rears upper clevis holes are slotted. If they are then, get it back up on the rack, loosen the bolts and pull the wheel out. Though they may be tough to do with the suspension fully loaded. You might have to jack up the rear.

If they are slotted, do not use the typical camber bolt recommended for a stock strut. It will slip. On a stock strut type hole, i have zero issues with camber bolts when installed properly. I have easily over 100k miles on mine. Mine have never slipped.
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Old 07-30-2009, 12:59 AM   #9
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Thanks guys, I appreciate the feed back! I'll try to get it back up on the rack this week or early next week, and I'm gonna check to see if the clevis holes are slotted or not, then i think i should be good with the other holes on the front camber adjustment slot too.


Update - Just went out and REmaxed the camber (that's all we did in the first place was give it max camber and it looked even with the little magnetic-camber-leveler-thingy just now) so i think when I go back in for this final alignment everything should come together.

Last edited by Five-seveN; 07-30-2009 at 01:42 AM.
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Old 07-30-2009, 08:59 PM   #10
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make sure you did not put the camber bolts on the wrong hole , she will not like that ... and give you those waky numbers
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Old 07-30-2009, 11:01 PM   #11
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What are your ride heights?
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Old 07-31-2009, 01:21 AM   #12
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I put it back on the rack today and we didn't find any slotted upper clevis holes, but we raised the rear and we were able to get the rear cambers (L & R) even at 3, that was with the rear dampers almost at max length.
Well, as far as ride height, I think we measured 14.75 inches all around (from fender to center hub, 1.49 inches from bottom of top lock nut to top of the bottom one on fronts, it was different for the rear). To do that we had to drop the front and raise the rear.
We were able to pull more camber out of the front with the two alternate holes in the front camber adj plate, and they now set at -2.4 for both.
Ride height looks good, turn-in is like stock. I did notice a large (not total) reduction in body roll which gave more confidence and i was able to address the turns faster therefore giving me a better exit speed as well.

New Alignment Numbers:
Camber - LF-2.4 / RF-2.4 / LR-3 / RR-3
Caster - LF 3.4 / RF 3.8
Toe - Front -.13 / Rear .06
Damper - Front 12 / Rear 9
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Old 07-31-2009, 01:24 AM   #13
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Quote:
Originally Posted by AbACUZ View Post
make sure you did not put the camber bolts on the wrong hole , she will not like that ... and give you those waky numbers
The rear didn't have crash bolts to begin with, we were contemplating boring and fitting it for them though.
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Old 07-31-2009, 01:30 AM   #14
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Quote:
Originally Posted by Five-seveN View Post
I put it back on the rack today and we didn't find any slotted upper clevis holes, but we raised the rear and we were able to get the rear cambers (L & R) even at 3, that was with the rear dampers almost at max length.
Well, as far as ride height, I think we measured 14.75 inches all around (from fender to center hub, 1.49 inches from bottom of top lock nut to top of the bottom one on fronts, it was different for the rear). To do that we had to drop the front and raise the rear.
We were able to pull more camber out of the front with the two alternate holes in the front camber adj plate, and they now set at -2.4 for both.
Ride height looks good, turn-in is like stock. I did notice a large (not total) reduction in body roll which gave more confidence and i was able to address the turns faster therefore giving me a better exit speed as well.

New Alignment Numbers:
Camber - LF-2.4 / RF-2.4 / LR-3 / RR-3
Caster - LF 3.4 / RF 3.8
Toe - Front -.13 / Rear .06
Damper - Front 12 / Rear 9
-3 in the rear at that ride height is still insanely wrong. Like, really insanely horribly wrong. When I had the rear of my car at 13.5", the lowest my car would align to was -1.2. Your rear height is 1.25" taller than that and the *least* you can get is -3. Something is either broken or wrong or misdesigned and you should get your $$ back. The car will never be balanced well for handling with specs like those.

Last edited by ButtDyno; 07-31-2009 at 01:38 AM.
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Old 07-31-2009, 01:34 AM   #15
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got the wrong struts????

post the PN's
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Old 07-31-2009, 01:59 AM   #16
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guys, its the megan/bc rear struts. seriously. the rear holes are drilled, imo, incorrectly for the GD chassis. the megans and bc's i've installed both had ridiculous rear neg camber.

we had to run camber bolts to dial back the camber to something reasonable. but, hey for under a grand! they're dope yo!
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Old 07-31-2009, 12:55 PM   #17
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maybe they were made for wagon fitment?

just a thought.
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Old 07-31-2009, 02:54 PM   #18
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Well now you can fit those 11 inch wide rims you where looking at on the rear !!!

Hellaawesomeomestsestehalllaalalalalaaa!!

oh god !
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Old 08-01-2009, 02:07 AM   #19
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HAHA! 11 inch wheels indeed... I thought i was gonna be going to flight school this sept so i was gonna wait and get the KW Variant IIIs but school got pushed to december and with 2 struts starting to go bad i decided to do the rash and dumb thing, get a cheap set until i do leave this december... like i said it was rash... anyways, i'm gonna make it work and bore out the upper bolt hole on the lower damper connecting point and just shove the wheel in to get my camber straitened out.
Oh, and just fyi, I got the Nitto NT555s with a 235/45ZR17 and they're big, like monster truck tires. i should have gotten the 35 or 40s but i dunno if that would have anything to do with it at all, cause when it's in the air (suspension still under load) the camber doesn't look half as bad. but thats just a thought, albeit a very drowsy one, but still a thought none the less.
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Old 08-01-2009, 01:13 PM   #20
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You're running 235-45-17s on 11" wheels?

... and you should really just get your money back and get something that fits.

Last edited by ButtDyno; 08-01-2009 at 01:33 PM.
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Old 08-01-2009, 01:35 PM   #21
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Not to be mean but why isnt your front toe perfect, total toe is off some and toe should be close to zero
but i am just an alignment tech
why be perfect
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Old 08-01-2009, 04:26 PM   #22
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Quote:
Originally Posted by ButtDyno View Post
You're running 235-45-17s on 11" wheels?

... and you should really just get your money back and get something that fits.
No i think he was just remarking on the post above his...
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Old 08-01-2009, 07:36 PM   #23
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Yes, it was a comment made in just.
As far as the toe being imperfect, those numbers are total toe. .06 LF and .07 RF. Numbers that minuscule don't worry me when i still have an effed up rear end...
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