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» Hello Spec Miata Community » Sports Car Club of America » SCCA Great Lakes » 99+ shock hat instal - bushing compression tool

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Author Topic: 99+ shock hat instal - bushing compression tool
Matt Johnson Verified Driver
Member

Region: Detroit
Car #: 73
Year : 1990
Posts: 385
Status: Offline
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I made a tool this evening that anyone in the detroit area is welcome to borrow to compress their upper shock bushings to get the nut started. Makes it an easy one person deal rather than something you need 3-4 hands to do...

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Matt Johnson
1990 SM #73 - yet another red miata.

Richard Pressman Verified Driver Made Donation to Website
Veteran Member

Region: WDC
Car #: 87
Year : 1991
Posts: 520
Status: Offline
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Would you post a picture...please?

Matt Johnson Verified Driver
Member

Region: Detroit
Car #: 73
Year : 1990
Posts: 385
Status: Offline
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Would love to, but no digital camera and I am traveling for work for the next couple of weeks...

Very simple design, all from scrap laying around the garage; 2 x 1/8" steel plate with a hole drilled through via a 1.5" hole saw (hole is of course a bit bigger than that), then 2 slots cut into each plate paralell to each other and tangential to the hole (so that what you are left with is a "U" shaped opening. I drilled holes into one of the plates and welded bolts to the other such that the bolts go through the holes on the mating plate. The bottom slides into the convex part of the top hat and the top goes over the washer, then you run a nut onto each of the bolts and that compresses the bushing. Come to think of it, there is really no need to make the top plate anything but a plate with 1 big and 2 small holes...

All told, I probably spent < 1 hour on this with n angle grinder, vice, and mig...

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Matt Johnson
1990 SM #73 - yet another red miata.

Richard Pressman Verified Driver Made Donation to Website
Veteran Member

Region: WDC
Car #: 87
Year : 1991
Posts: 520
Status: Offline
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Got it.
Thanks!

Qik Nip Verified Driver Made Donation to Website Series Champ
Loose Member '09 & '10 Great Lakes Regional Points Champion

Region: Cincinnati Great Lakes
Car #: 60
Year : 1990
Posts: 1487
Status: Offline
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Richard:
Just curious. What are you doing about the space between the upper bump stop perch and the hat?

I've stopped in my tracks because it seems all wrong to give up a third of the 3/4" gain
Rick

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Fortune Cookie Racing SM 60
Directions for use: Race, Rumple, Repair ... Repeat!

Richard Pressman Verified Driver Made Donation to Website
Veteran Member

Region: WDC
Car #: 87
Year : 1991
Posts: 520
Status: Offline
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At this point, nothing. Chances are we will be in SSM trim for the 2008 season and won't be allowed to use the '99 hats. I was just interested to see what Matt had come up with.

Jacob Groves Verified Driver
Member

Region: NASA Southwest
Car #: 77
Year : 1996
Posts: 147
Status: Offline
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you can also use coat hanger wire applied very tight then tighten down the bolts to compress. Worked very well.

Jake

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"This sticker is dangerous and inconvenient, but I do love Fig Newtons!"

JD Morris Verified Driver Made Donation to Website
A slower JD...

Region: SF
Car #: RIP #56
Year : --
Posts: 663
Status: Offline
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quote:
Originally posted by jacob300zx:
you can also use coat hanger wire applied very tight then tighten down the bolts to compress. Worked very well.

Jake

Cool idea, thanks!

JD

Jacob Groves Verified Driver
Member

Region: NASA Southwest
Car #: 77
Year : 1996
Posts: 147
Status: Offline
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I can't take credit. My Dad come up with it when I was late coming home from work and he was ready to get started. I came over to his house and saw that he had put the last two shocks in. I asked him how the hell he did it by himself and he stated that he had made a tool. He owns a machine shop and I could just see some trick part cut out of stainless on the waterjet in my head. He then shows me the coat hanger! haha

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"This sticker is dangerous and inconvenient, but I do love Fig Newtons!"

David de Regt Verified Driver
Member

Region: NWR
Car #: 47/479
Year : 1992
Posts: 418
Status: Offline
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I'm sure I'm just retarded, but please explain the coat hanger thing in a little more detail? I'm obviously missing how to do this. =)

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My Spec Miata Build Sheet - Hope people find it useful
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Edwin Ho Verified Driver Made Donation to Website
I Am Canadian

Region: Detroit
Car #: 65
Posts: 105
Status: Offline
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quote:
Originally posted by Matt Johnson:
Would love to, but no digital camera and I am traveling for work for the next couple of weeks...

AZ? I'm heading up to the U.P. tomorrow and then to AZ on Mon for a couple of weeks. Go-karting? Bar? Both?

Ed.

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Edwin Ho
www.ehmotorsports.org

Matt Johnson Verified Driver
Member

Region: Detroit
Car #: 73
Year : 1990
Posts: 385
Status: Offline
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Both! Skipped karting last night to go to a bar... trying to save money (yes, I know that is sick and twisted - but true as beer is less adictive to me than karting).

Did it cool back off in the UP? They had good snow last week when I was up there, but the forecasts were for 50+ deg and rain...

Guess it is better to go there early in the season before all the good booze is gone (damn IVD folks always seem to dain the town of Grey Goose before I get there) :-)

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Matt Johnson
1990 SM #73 - yet another red miata.

Edwin Ho Verified Driver Made Donation to Website
I Am Canadian

Region: Detroit
Car #: 65
Posts: 105
Status: Offline
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I think it was above freezing at the beginning of the week, but it cooled off a little since. Not cold enough though. The handling roads got rutted up and ice on the grades got kinda mushy. I'll give you a call when I get into town.

Ed.

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Edwin Ho
www.ehmotorsports.org

   

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