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 Custom Adjustable Front Coilovers for All Years (fabrication required)

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robotennis61
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PostSubject: Re: Custom Adjustable Front Coilovers for All Years (fabrication required)   Mon Feb 03, 2014 12:08 pm

Johnny5 wrote:
Well damn thanks Rob im a little bit confused but more scared than anything lol. Just my luck I will screw something up but shoot me number and cost and a list of pieces for the rears we good

Here's the sleeve.You have to specify,Monroe,koni or Bilstein.
http://www.speedwaymotors.com/Coilover-Kits-2-Inch-Body-7-Inch-Coilover-Sleeve,31667.html

Here's the spring.I do believe I can also use a 8" spring.With the 10" spring I've reached coilovers lowering max.
http://performanceshock.com/index.php?main_page=product_info&cPath=68_86_87_201&products_id=778

Here is the Adjustable link mod link.It works real well with the shock mod
http://rivperformance.editboard.com/t7827-write-up-custom-rear-adjustment-links
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PostSubject: Re: Custom Adjustable Front Coilovers for All Years (fabrication required)   Tue Feb 04, 2014 12:29 am

Thanks rob I found the shocks on Amazon for 105 a side damn they expensive lol... I think im ready tho
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robotennis61
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PostSubject: Re: Custom Adjustable Front Coilovers for All Years (fabrication required)   Tue Feb 04, 2014 12:44 am

Johnny5 wrote:
Thanks rob I found the shocks on Amazon for 105 a side damn they expensive lol... I think im ready tho

The same ones? Cool.
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PostSubject: Re: Custom Adjustable Front Coilovers for All Years (fabrication required)   Tue Feb 04, 2014 1:22 am

I sure as hell hope so found these to be cheaper than the average
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PostSubject: Re: Custom Adjustable Front Coilovers for All Years (fabrication required)   Wed Dec 10, 2014 2:42 pm

What's this "Matt" kid getting himself into this time...

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matt270avian
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PostSubject: Re: Custom Adjustable Front Coilovers for All Years (fabrication required)   Wed Dec 10, 2014 2:47 pm

I mean really, what is he up to...

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PostSubject: Re: Custom Adjustable Front Coilovers for All Years (fabrication required)   Wed Dec 10, 2014 2:57 pm

matt270avian wrote:
I mean really, what is he up to...

Talking in 3rd person and losing his mind?? razz
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PostSubject: Re: Custom Adjustable Front Coilovers for All Years (fabrication required)   Wed Dec 10, 2014 3:01 pm

Abaddon wrote:
Talking in 3rd person and losing his mind?? razz

I think I left it with my sanity lmfao
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PostSubject: Re: Custom Adjustable Front Coilovers for All Years (fabrication required)   Wed Dec 10, 2014 3:06 pm

Good! do it! make a parts list! I regret not jumping fast enough when Robo did this, and now its hard to find/work out whats needed. I'd still like to do this someday.

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PostSubject: Re: Custom Adjustable Front Coilovers for All Years (fabrication required)   Wed Dec 10, 2014 3:51 pm

im prolly gonna bag mine but this is #2 option. GO GET IT, MATT! You crazy SOB!
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Sir Psycho Sexy
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PostSubject: Re: Custom Adjustable Front Coilovers for All Years (fabrication required)   Wed Dec 10, 2014 5:02 pm

The never-ending quest for low...
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PostSubject: Re: Custom Adjustable Front Coilovers for All Years (fabrication required)   Wed Dec 10, 2014 11:19 pm

I'm thinking either 300lb front 250lb rear or 350lb front 300lb rear..... Thoughts?

Front Options:

350lb: http://www.summitracing.com/parts/hal-12-350/overview/

300lb: http://www.summitracing.com/parts/hal-12ht300/overview/

Progressive 175lb-350lb: http://www.summitracing.com/parts/hal-12-175-350/overview/

Rear Options:

250lb: http://www.summitracing.com/parts/hal-8cs250/overview/

300lb: http://www.summitracing.com/parts/hal-8cs300/overview/

Progressive 225lb-475lb: http://www.summitracing.com/parts/hal-10-225-475/overview/

Those progressive springs sure look tempting...
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PostSubject: Re: Custom Adjustable Front Coilovers for All Years (fabrication required)   Thu Dec 11, 2014 11:30 am

Sir Psycho Sexy wrote:
The never-ending quest for low...

LOL +1


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PostSubject: Re: Custom Adjustable Front Coilovers for All Years (fabrication required)   Sat Dec 13, 2014 1:12 pm

Robo, what spring length/sleeves/top hats did you get for the rear shocks, and is there a cheaper alternative than the Koni's @ $180 each?
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robotennis61
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PostSubject: Re: Custom Adjustable Front Coilovers for All Years (fabrication required)   Sat Dec 13, 2014 1:53 pm

I got these sleeves from speedway

http://www.speedwaymotors.com/Coilover-Kits-2-Inch-Body-7-Inch-Coilover-Sleeve,31667.html

no top hat.I fabricated a bracket from steel plate

springs are 10" eibachs

Koni was the only manufacture of inserts I could find.I'm sure there are others
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PostSubject: Re: Custom Adjustable Front Coilovers for All Years (fabrication required)   Tue Dec 30, 2014 1:56 am

SCOOORREEEEE, just got 5 Koni 30-7325's (for the rear) for $65 shipped. They were mis-listed as 30-3725's. Looking into springs as we speak. I'll probably try 2 of them out with the stock springs and to get the mounts made, then use 2 more for the coilovers and have a spare.
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PostSubject: Re: Custom Adjustable Front Coilovers for All Years (fabrication required)   Wed Dec 31, 2014 10:17 am

We're all counting on you, Matt, to be the 2nd gen 8 coil over Riv.
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PostSubject: Re: Custom Adjustable Front Coilovers for All Years (fabrication required)   Thu Jan 08, 2015 3:03 pm



Just need springs and top hats and the rear is all done.
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PostSubject: Re: Custom Adjustable Front Coilovers for All Years (fabrication required)   Thu Jan 08, 2015 3:12 pm

holy crap, he's really doing it!
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PostSubject: Re: Custom Adjustable Front Coilovers for All Years (fabrication required)   Sat Jan 24, 2015 11:36 pm

I figured I would post how to make bumpstops and how to adjust these shocks since I haven't seen it posted here yet. This is also just a general guide as to what parts you need to assemble your rear coilovers. I'm sure there's better shocks to use, but me and Robo both have the same shocks and they seem to go together pretty well.

Parts List:

Shocks - Koni 30-7325 (2)

Coilover Sleeves - Allstar Performance AAF-ALL64163 (2)

Coilover Top Thingies (These will ONLY work with Koni shocks, buy yours according to what shocks you buy) - Allstar Performance ALL64173 (2)

Coilover Adjusting Nut (you can get 4 of these to jam them together if you want) - Allstar Performance AAF-ALL64180

Bump Stops - I had a spare set for the front OEM struts that fit perfectly after being trimmed a bit. You'll see what I mean in the pictures.

You can also buy rubber thingies to isolate any noise. They go between the top thingy and the springs. I don't have part numbers for these handy at the moment.



Assembly:

First you want to break loose the jam nut on the eyelet. The best way I found was to put the eyelet in the vice and then use a giant wrench to break the nut loose. After that the eyelet can just be unscrewed as well as the jam nut to put the bumpstops on. You don't need to do this step if you aren't using bumpstops like a dum-dum.

Next you can put the sleeve on. Pretty simple here, it literally slides right on.



After that you can make your bumpstops. Just follow the pictures for where to trim. If you don't trim the outermost ring on the OEM bumpstops a spring will not fit, so don't cut corners here. You can possibly get away with not trimming the height of them, but why risk it?









As you can see, since the top of the bumpstops is conical they fit pretty well in the inside of the top thingies since they have a conical inside (sorry my vocabulary is sucking tonight).




Adjusting:

Remove the black plastic cap with a flat blade or something.



Press in this button and rotate the shaft (giggity) clockwise or counter-clockwise for more or less rebound respectively.




I'll post more pics when I get my springs and make the actual mounts for the shocks.
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PostSubject: Re: Custom Adjustable Front Coilovers for All Years (fabrication required)   Mon Jan 26, 2015 4:38 pm

Because some of you prooobably think I'm just blue-balling everyone......



The Springs: http://www.summitracing.com/parts/hal-12-250
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PostSubject: Re: Custom Adjustable Front Coilovers for All Years (fabrication required)   Sat Feb 07, 2015 10:09 pm

Got them on today. Turn in is a lot sharper, but the ride quality isn't as awesome (obviously). Glad I only went with the 250lb springs because any harder and it would probably be to harsh. I might try adjusting the dampeners to see if I feel any difference. We doubled up every weld and used grade 8 bolts so nothing should break. We also reused the original bolts and nutserts for the bottom since they fit just fine (original bottom mount is 3/16", just like what we used to make the new mounts). We'll have to see how they do at the next autocross. If anyone has any questions feel free to ask. I'm just at original ride height until we do the fronts whenever.

Does anyone know where the fuse for the automatic level control is under the back seat? I found one labeled ELC that I thought was the right one, but it just disabled all the gauges and the air conditioning bonk









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PostSubject: Re: Custom Adjustable Front Coilovers for All Years (fabrication required)   Sun Feb 08, 2015 1:26 pm

Looks good man! I'm just concerned that the control arms weren't designed to hold the entire weight of the rear of that car at that point. Of course it sits fine, but what happens when you hit a big bump? There's not really a whole lot that it's holding on to at the bottom. Just my 2 cents.
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AA
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PostSubject: Re: Custom Adjustable Front Coilovers for All Years (fabrication required)   Sun Feb 08, 2015 1:37 pm

That's a valid point. Or, it may hold up just fine. Our control arms are pretty stout. Props for trying this, and look forward to feedback. I use adjustable Koni inserts on all four corners of the GTO and love them.

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matt270avian
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PostSubject: Re: Custom Adjustable Front Coilovers for All Years (fabrication required)   Sun Feb 08, 2015 1:54 pm

Sir Psycho Sexy wrote:
Looks good man! I'm just concerned that the control arms weren't designed to hold the entire weight of the rear of that car at that point. Of course it sits fine, but what happens when you hit a big bump? There's not really a whole lot that it's holding on to at the bottom. Just my 2 cents.



It is a good point, I think somebody else brought it up when Robo did his. Considering he hasn't had an issue and the OEM shocks go there anyways I'm not to concerned about it but if anything happens I'll speak up. I was more concerned about the top mounts flexing since they have the added pressure of the springs now, but that should be solved by my massive (and solid) strut tower brace.

I figured I should also go into more detail on how the shocks are mounted. I used a lock washer on either side of the eyelet so that it has room to flex and do eyelet things. Then after the lock washers it's 2 3/16" steel plates that are roughly 1 3/4" tall welded to another 3/16" steel plate. We doubled up the outside welds and did a single bead on the inside (where the eyelet goes).

Codith - The top mount is pretty much the same (even the bolt holes are the same size/distance apart). The only difference is we used a wider piece of steel here to cover up the big hole where the stock rubber mounts stick through.


Last edited by matt270avian on Sun Feb 08, 2015 1:58 pm; edited 1 time in total
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