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View Poll Results: Would you like to see these spacers mass-produced
Yes...I like having "engineered" parts on my car 11 73.33%
No...I like the uncertainty of stacking washers 4 26.67%
Voters: 15. You may not vote on this poll

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Old 03-29-2006, 09:48 AM   #1
Scooby921
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Default Rear Strut "Washer Mod" - Replacement Spacer

For those who don't know, the '02-'03 MY Impreza has a different rear strut / piston design than the '04+. Several of the aftermarket strut manufacturers do not yet make struts specifically for the '04+ vehicles. Like many others I had to do the so-called "Washer Mod" to get the '02-'03 rear struts to fit the '04+ topmounts. In my case it was Tokico D-specs on an '05 WRX.

Instead of using a couple of washers I designed a spacer and had a some made by a local machine shop. I've had six people PM me in the last two weeks looking for information on these spacers. The spacers are machined out of 4150PH chrome-moly steel and are black oxide coated for corrosion resistance.

I'd like to know how many of you would be interested in having these spacers mass-produced? I can order them as needed, but its definitely cheaper to order them in higher volumes.

Update: Just got a quote back from my local machine shop. Asked them to quote 30 pcs. I can have them shipped for $22 a set. A little higher than expected, but price will drop with higher volume.

Update2: Forgot to include packaging in the cost...added $2 for a USPS envelope.



Note to Mods: This probably belongs in the Brakes, Steering, and Suspension forum, but I'm hoping it will get a bit more response / exposure here.
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Last edited by Scooby921; 03-30-2006 at 12:40 PM.
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Old 03-29-2006, 09:51 AM   #2
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^^Bump for a great idea!
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Old 03-29-2006, 02:00 PM   #3
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that all depends on the cost of the spacers. If its going to cost $300 then I would highly doubt it. But for a reasonable price I would be very interested.
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Old 03-29-2006, 02:21 PM   #4
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Why not just use 02-03 tophats? Thats what I'm doing for my Bilstein coilovers.
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Old 03-29-2006, 02:42 PM   #5
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The 02/03 options are the AGXs and Tokicos, correct? It seems like the 04/05s, with Konis or STi takeoffs... have much better options anyway.
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Old 03-29-2006, 02:44 PM   #6
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I have 02-03 struts on my 05 WRX and needed to modify the tophat and add a thick washer to fit the struts properly. It wasnt engineered for the car but it works. Your poll is pretty biased. The wording suggests the right answer. Of course people want things that are engineered for their car but if something works, Id go with it. There are many DIY things that didnt go through extensive deisgn and research and wernt "engineered" for our cars that work perfectly fine.

Anyway, spacers come in all shapes and sizes, you can find the right sized spacer/Washer at hardware stores.
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Old 03-29-2006, 02:48 PM   #7
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Quote:
Originally Posted by fireball_jones
The 02/03 options are the AGXs and Tokicos, correct? It seems like the 04/05s, with Konis or STi takeoffs... have much better options anyway.

Well the konis are inserts and some people just don't want to play around with them. And the STi takeoffs aren't that great IMHO. Some coilovers without camber plates are in the same situation such as my Bilstein PSS9s which will arrive Fri. WOOOT. Again if your using a strut/coilover designed for use on 02/03s why not just use the Ver. 7 Group N tophat? It really is quite a simple solution, and avoids having some shadetree engineered parts on your car.
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Old 03-29-2006, 03:03 PM   #8
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Or just 02/03 takeoff tophats. I think the only issue is 02/03 struts, 04/05 springs on an 04/05 car.
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Old 03-29-2006, 03:06 PM   #9
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Quote:
Originally Posted by fireball_jones
Or just 02/03 takeoff tophats. I think the only issue is 02/03 struts, 04/05 springs on an 04/05 car.
You're correct the only issue is the struts/tophats, springs are of no concern. I don't see why more people don't just use the Ver. 7 takoff/Grp N tophats.
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Old 03-29-2006, 06:44 PM   #10
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Quote:
Originally Posted by D fresh
You're correct the only issue is the struts/tophats, springs are of no concern. I don't see why more people don't just use the Ver. 7 takoff/Grp N tophats.
Because V7 rear strut tops won't work with any V8 rear spring. Plus, there are really no V7-style springs readily available with spring rates > 220 lbs/in in the front. That's why people want the V8-style springs.
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Old 03-29-2006, 06:58 PM   #11
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Quote:
Originally Posted by peterex
Because V7 rear strut tops won't work with any V8 rear spring. Plus, there are really no V7-style springs readily available with spring rates > 220 lbs/in in the front. That's why people want the V8-style springs.
Yeah 'cause its just to hard to mix and match, huh. I haven't seen many V8 kits with rates > 220 lbs/in front either. In general people wanting stiffer than that go with coilovers anyways. I was just throwing another option out for people to consider. Personally I'd rather have parts designed (by an engineer, not some dude from the internet who nobody knows his qualifications) for my car than to do some shadetree/ghetto mod.
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Old 03-30-2006, 07:24 AM   #12
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Quote:
Originally Posted by D fresh
Why not just use 02-03 tophats? Thats what I'm doing for my Bilstein coilovers.
Because the '04+ tophats are a better design...and as mentioned by someone else, the spring designs are different.


On a side note...cost has been added to the original post.
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Old 03-30-2006, 07:38 AM   #13
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Yeah definitely interested, I talked to a local shop myself about this but I didn't have a v8 strut I could work from

Can you tell us a little more about the design? Have you replicated the 'chamfered' top? How does the overall height work out? It looks to me from Arnie's original pics that the flat shoulder of the v7 is actually higher than the v8 chamfer so does adding a spacer worsen that? Would the 'correct' solution be to have the v7 shoulder machined down?
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Old 03-30-2006, 08:16 AM   #14
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Quote:
Originally Posted by UkNuck
Yeah definitely interested, I talked to a local shop myself about this but I didn't have a v8 strut I could work from

Can you tell us a little more about the design? Have you replicated the 'chamfered' top? How does the overall height work out? It looks to me from Arnie's original pics that the flat shoulder of the v7 is actually higher than the v8 chamfer so does adding a spacer worsen that? Would the 'correct' solution be to have the v7 shoulder machined down?
These spacers to not replicate the chamfer on the top of the '04+ struts. The spacers are similar to using washers, they take up the extra space at the top of the piston and bring it up to a height representative of the '04+ piston. In my opinion the chamfer is only there to line the struts up in the tophat. Creating that feature on the '02-'03 would have required machining the piston. There is no easy / safe way to chuck the strut in a lathe to accomplish this. So I made the spacers a little shorter, hoping that the smaller diameter of the piston shaft would help center it in the tophat like the chamfer on the '04+.

In general, the spacers are the same OD as the piston and have an ID just large enough to locate on the smaller piston diameter. It is basically designed as an extension of the piston shoulder. In addition, the spacers are a single piece and a much stronger material than a standard grade 8 washer. You won't have to worry about the washers having too large of an ID and slopping around, or reducing your bolt torque as they compress and settle over time.

I've had these spacers on my car for 25k miles now. I have had no problems with fit or function.
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Old 03-30-2006, 08:43 AM   #15
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I would buy some just to have them in case someones car that I was working on neded them...
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Old 03-30-2006, 09:01 AM   #16
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Where and when do I send my money?
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Old 03-30-2006, 09:14 AM   #17
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Thanks for clarifying - so it's more like
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Old 03-30-2006, 12:37 PM   #18
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Quote:
Originally Posted by WShade
Where and when do I send my money?
Anyone who seriously wants a set, PM me for info. I'll probably order the first 15 sets on Monday next week. They shouldn't take more than a week to make and coat.
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Old 03-30-2006, 05:57 PM   #19
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im sorry to close your thread because you are obviously doing a good thing here but, unfortunatly you cant sell product in this manor on nasioc without being a registered nasioc.com vendor.

for information on how to become a nasioc.com vendor email Nick@nasioc.com
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