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Old 05-03-2007, 08:16 PM   #1 (permalink)
Taiden
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How To: Cut lower spring perch for ground control sleeves

Alright everyone, this is my first large write-up so bear with me.

I bought AGXs with GCs a couple weeks ago so I could have a set of dummy suspension to tool around with, just to get to know the ins and outs of suspension.

I had heard (in shortened Koni threads) that you could modify the lower spring perch to better accomodate a ground control coilover sleeve, and give more room for a wider tire. I couldn't figure out for the life of me what people were talking about, so I figured I would give it a go.

I can tell you right now that as soon as you are holding a strut housing in your hand with a ground control coilover kit installed, it is very obvious what the modification is. That being said, I felt that I should give back to this wonderful community with my own write up on how I personally went about doing this.

Enjoy.







We begin. There she is, the lone strut with the sleeve. You see that ugly useless lower spring perch? That's our target.





Make your marks with a sharpies so you have some sort of guide. I eyeballed all my other ones, I just wanted to show you guys where I'm cutting.





Make sure you always wear eye protection and have five o' clock shadow!





Dremel action shot! I love the new quick release cutting disks.





Make three straight cuts first, and then get the corners after the perch is gone.





Cut the other side so that it is loose and jingle jangling.





Two more cuts to give ourselves enough room to slide that mofo off.





There it is! Our lower perch has been removed.





Side view BEFORE I go cut the corners off.





Corners cut.





Whip out your trusty wham-wham.





We shall wham wham right here until the remaining tabs grip the sleeve slightly. I would SKIP THIS if you ever plan to remove the sleeve. But if you've come this far, why not? You are only going to be using ground control sleeves on this strut for the rest of it's life anyway.





There it is. Lower perch done. If you are doing work on your fronts, you have finished.






I was doing my rears and I decide that I didn't want the upper perch either. Your choice, it doesn't really do anything. I just figured I'd get it while I had everything apart. Plus I have like three extra sets of these rear upper perches anyway.




There she is!







My vise doesn't open enough to hold the whole thing, so this is what I did to hold it in place while I did my worst.






Snip snip!





Smoothe out the rough edges with a sanding attatchment or a grinder. Your choice. I also opted to smack the fresh metal with the hammer a bit to round it out.






Side shot.






Before and after shot of the rears. We make sexy time, yes?





Il est fini!!
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Old 05-03-2007, 08:24 PM   #2 (permalink)
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GReat job luke! Sweet photos what kinda of Camera do you have?
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Old 05-03-2007, 08:40 PM   #3 (permalink)
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very nice. now repaint those struts and it will look funky freash
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Old 05-03-2007, 08:50 PM   #4 (permalink)
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very nice. now repaint those struts and it will look funky freash
yep.

when the car is down for senior project I will paint them black to match OEM struts. I wonder if i can paint the sleeve...
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Old 05-03-2007, 09:10 PM   #5 (permalink)
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yep.

when the car is down for senior project I will paint them black to match OEM struts. I wonder if i can paint the sleeve...
if you dont play with the ride height all the time there shouldnt be any problem with painting the sleeve. however if your always lowering or rasing the car the paint will chip off.
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Old 05-03-2007, 09:38 PM   #6 (permalink)
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if you dont play with the ride height all the time there shouldnt be any problem with painting the sleeve. however if your always lowering or rasing the car the paint will chip off.
what about powdercoating?
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Old 05-04-2007, 08:43 PM   #7 (permalink)
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what about powdercoating?
same, the only thing that won't rub off easy is anodizing

and I'll have pics of the rack this weekend. if not kick me in the arse
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Old 05-05-2007, 06:16 PM   #8 (permalink)
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me make STICKY time, yes?
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Old 05-06-2007, 12:13 AM   #9 (permalink)
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is there alot of people from kazakhstan on this forum now
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Old 05-06-2007, 12:42 AM   #10 (permalink)
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is there alot of people from kazakhstan on this forum now
I'm in Afghanistan, does that count?
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Old 05-06-2007, 03:06 AM   #11 (permalink)
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possibly. we are becoming more divirse by the day....hehehe
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Old 05-06-2007, 09:43 PM   #12 (permalink)
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Would this also stop the clunking the coilover makes when taking tight turns?
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Old 05-06-2007, 11:12 PM   #13 (permalink)
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I vote we have sticky sexy time, yes?

Kazakhstan ftmfw!
///h
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Old 05-06-2007, 11:29 PM   #14 (permalink)
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Old 05-07-2007, 02:40 AM   #15 (permalink)
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wtf.. haha
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Old 05-07-2007, 02:54 PM   #16 (permalink)
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Do you have a spacer inbetween the upper perch, and the spring hat? It kinda looks like you have something else in between. Is it possible for you to take a closer picture, and maybe an explanation of how you have them assembled?
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Old 05-07-2007, 04:27 PM   #17 (permalink)
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Quote:
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me make STICKY time, yes?
Quote:
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I vote we have sticky sexy time, yes? ///h
X 3.

In the meantime Taiden, you have been assimilated:

http://www.sr20forum.com/driveline-t...formation.html

See "Advance Design/Ground Control" under Coilover Systems.

Thanks for the heads-up, and this informative thread. Nice work!
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Last edited by Shawn B : 05-07-2007 at 04:36 PM.
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Old 05-19-2007, 09:37 AM   #18 (permalink)
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I love gc's... I have them on my b14 daily, and I'm doing this install on my street slut now...

do you think you could take a picture of the rear top hats dissasembled? I'm playing with my spare set and cant see how the rear assembly works w/ the oem tops and that silver piece on the top of the gc springs.

My other car has custom plates back there...

now put some wide ass tires on the bitch

my fronts on my b14 are cut too