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Old 12-13-2002, 09:33 PM   #1
dave_the_driver
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Location: Albuquerque, NM
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Default dms 50 install on 03 WRX ???? HELP!

Has anyone who installed the DMS 50s on the rear of an '03 WRX wagon had problems with fitting the rear stock top mounts? Help! My car is stuck in the shop with me.

I don't know if my car's body is the GD or the GC8. The DMSs are having problems going on the car.
---
This message was relayed from "Steveson" who called me from a mechanic's shop here and asked for my help posting this question. I'll forward any PM replies to him ... try wait ... he got home and posted on this thread. OK, i'll bow out.
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Last edited by dave_the_driver; 12-14-2002 at 01:05 AM.
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Old 12-13-2002, 10:03 PM   #2
dachoe
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2002+ is GD, other than that, i have no clue
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Old 12-13-2002, 11:10 PM   #3
North Ursalia
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If you are having difficulty installing the rear struts, you probably have a GC strut set. The rear strut mounts are radically different on the GD* than the GC* body styles.


Brian
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Old 12-14-2002, 12:35 AM   #4
steveson
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Thumbs up

First off I'd really like to thank Dave_The_Driver for posting this question for me. I'm now home having travelled 60 miles from the install shop and I'm pretty much still all together (as is the car).

Please excuse the noob-ness of my request. It's now obvious to me that the most recent WRX's are GD's and that's what I ordered the C/O's for. But why did they include the adapter plate for the GC8 into GD converter when they sent me the GD shocks? Confusion reigned for several moments.

The rear C/O's mounted right up to the stock mounts. The only curious problem was that we had to remove the stock mount assemblies bump stop "cup" from the underside of the mount assembly. If left intact it posed a serious interference problem with the top spring perch.

I'm not completely done yet as a complete alignment will take place tomorrow after I raise the ride height. The way we originally set the shocks I'm at the DMS "street" height and brothers and sisters, let me tell you I was dragging all sorts of stuff coming up my 7 mile long driveway.

Full review to follow.

Thanks for the assist
Steve Iveson
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Old 12-14-2002, 04:15 AM   #5
Concillian
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There are no GD specific DMS struts. There are only GC plate adaptors for the struts so that you can use them in the car.

You NEED a set of GC rear strut tops. You can use stock ones, but pretty sure DMS highly recommends the STi mounts. Wherever you bought them should have told you this over the phone.
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Old 12-14-2002, 11:13 AM   #6
PeterJ
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Default yep

Any DMS 50mm + GD or GC front strut top and GC rear strut top will fit any GD body style (not sure on adapters). Removing the large cup shaped spring perch of the rear GD mounts will work too, but the proper Sti mounts are highly recommended by most people.
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Old 12-14-2002, 12:36 PM   #7
ChrisW
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you probably need a set of DMS adapter plates to make the GC8 STI strut top mate to the 03 WRX.
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Old 12-14-2002, 04:14 PM   #8
gtguy
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He has the adapter plate...it sounds like he doesn't have the GC 8 STi strut tops, which is the bother.

Kevin
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Old 12-14-2002, 09:08 PM   #9
well_armed
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Quote:
He has the adapter plate...it sounds like he doesn't have the GC 8 STi strut tops, which is the bother.
I concur. The stock strut top for the new age wrx will not work effectively, or install correctly with the DMS 50's. An STi GC8 strut top must be purchased, to be used with the adaptor plate supplied, since the adaptor is thinking you are attaching a wrx specific coilover to an older model (e.g. GC8) car.

DMS has figured that the WRX specific model works better when paired with the adaptor and matching GC8 STi top.

Last edited by well_armed; 12-14-2002 at 11:21 PM.
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Old 12-14-2002, 09:56 PM   #10
steveson
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Now I am truly confused. The GC8 top mount into GD body shape converter assembly included with the coil overs for my car just plain all out do not fit in my 03 Wagon. What we ended up doing was removing the bump-stop cup from the bottom of the stock assembly and everything fit just fine. So what gives? Does the 03 wagon differ in this respect from the earlier ones (02's)?

No noise, though I still have to do the rest of the proper set up with corner weights and dampening adjustments.

Will post results as they occur.
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Old 12-14-2002, 11:39 PM   #11
well_armed
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Well just to clarify it's a GD --> to GC8--> to GD conversion plate, cause you are going from a GD coilover, attaching a GC8 top mount, then attaching an adaptor to make a GC8 mount fit to a GD impreza. To simplify, take (1) rear coilover and attach (1) STi or standard (GC8 model) top mount to it (replacing the WRX specific top mount). Then fit the adaptor plate supplied by DMS over the GC8 top mount...then install. It is tricky when installing to make sure that the adaptor and top mount are attached correctly and the holes are lined up correctly. It is not a symmetrical piece where you can just throw it in.

I do not believe the 03 wagon model is any different from the 02 model. Any DMS 50 wagon owners out there that can help him out with his quagmire? Us sedan guys have a hard time understanding the station wagon guys.
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Old 12-15-2002, 09:53 AM   #12
steveson
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Blue

Default

Ok, I think I can see it through the haze. The assumption made by DMS is that I would have purchased a set of STi top mounts for the DMS 50's (perhaps that's what most people do) and in order for the DMS 50's to work with the STi top mounts (GC8) and the stock tower fitting on my wagon (GD) I would need that adapter.

Ahaaa

So any venders out there want to sell me a pair of STi rear top mounts?

On another point about these coil overs. As a suggestion to DMS (Lachute, are you listening?) These puppies need some form of dust/grime cover, or better yet how about a seal like you get on the forks of most off road motorcycles, the diameter of the piston shaft is about the same. I've noticed in very short time that all the sand that gets kicked up ends up in the seal area. Not all that confidence inspiring for long term durability. I'll have to use compressed air on them every time I get home.

Thanks all for the help.
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Old 12-16-2002, 09:13 AM   #13
Lachute Performance
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Default just a note ...

Just to enlighten the situation, when we sell any DMS product we always recommend STI GC8 strut top mounts. On the newage impreza, 2002 and up, or GD models (wagon or sedan no difference from DMS point of view) we add to the price estimate (40mm or 50mm) the price of 2x REAR STI GC8 Top mounts to be used with the DMS adapter plates. To do the installation properly, good fit, good performance and NO COMEBACKS because of clunking sounds (which will happen if stock unit is modified to fit)

To use the adapter plates on a GD, remove the studs from the GC8 top mount, install the plate on the top of the mount, secure with nylon lock nuts provided, and install as normal on GD using factory torque specs (I believe it is about 17 ft/lbs or so)

Any other info or questions, please do not hesitate to contact me.

Regards,

Mark
[email protected]

www.lachutesubaru.com
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