Miata Mailing List: March 1999, Message #219

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On 2 Mar 99, at 20:37, Eric Rowland wrote:

> Craig Blome <cblome@yahoo.com> wrote:
> >I entertained myself last weekend by swapping out the worn-out (yep
> >:-P) Tokico Illuminas on my '96 M for Konis.  Everything was pretty
> >straightforward except enlarging the holes in the upper shock mount
> >and dust boot.  A drill is a terrible tool for this job...it jumps
> >around and makes a jagged edged hole, and creates so much heat that I
> >trashed an expensive bump stop by melting it off the metal top washer!
> > :-(
> 
> As another datapoint, the drill worked fine for me.  Just clamped the shock
> mount in a vice and drilled away.  
> 
> Eric & Lightning
> P.S.  If anyone in the SF Bay area needs to borrow a 12mm drill bit, I've
> got one that's only been used four times...
> 
.........
When I had the shocks done in a shop (I helped the mechanic), he/we used up 
all 3 lousy quality 12 mm drill bits they had. I went and bought a new one (best 
quality I could find), and this has easily drilled out two of the shock mounts on 
Brua (Red 91A) and all four on Gialla (Yellow 92). Still looks like new ....
So, not all drill bits are created equal ....


Werner