yup! always begin drilling with the diameter of the shank of the stud as
your refrence for a drill bit. the knurled portion is going to offer the
interference fit for anti rotation purposes. if too tight go up 1 size in
the hole. just be carefull.
chuck.
-----Original Message-----
From Glen Byrns <grbyrns at ucdavis.edu>
To: spridgets@autox.team.net <spridgets@autox.team.net>
Date: Tuesday, December 02, 2003 2:16 PM
Subject: Re: Stud enlargement
>I did this conversion on my bugeye two years ago. I bought the drill bits
>in appropriate sizes, then went back and bought the correct one, then went
>back and bought the REALLY correct one, then did the job myself on a drill
>press. With the existing holes as a guide, its hard to drill far enough
off
>center to cause any problem. I drilled the drums to a clearance fit and the
>hubs to a tight interference fit . I ordered the studs out of the NAPA
>catalogue and they came in the next day. Perfect length. The studs tapped
>in with reasonable force, pulled in tight with a lug nut. No imbalance
that
>I can detect up to 100mph. Two years of use (not racing) and no problems.
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