Haven't had this problem, but I did have an aftermarket rotor break into
several pieces only about 500 miles after I put it in.  Learned my lesson.
The quality of Bosch is worth the extra $

Scott

-----Original Message-----
From: John Y. Hung <jhung@ENG.AUBURN.EDU>
To: vanagon@GERRY.VANAGON.COM <vanagon@GERRY.VANAGON.COM>
Date: Thursday, March 11, 1999 6:33 PM
Subject: distributor cap tolerances

>I went to my FLAPS and bought a new distributor cap ($6) for my '84 GL, 1.9
>L.  I noticed that the outer diameter is just a bit larger than the OEM
>cap, enough that the metal suppression shield doesn't fit.  Furthermore,
>the inner diameter is also tad bit larger, so the cap doesn't seat firmly
>on the distributor; there is some 'slop.'  I decided not to use the cap,
>which is marketed by Wells and made in Mexico.  Anyone else have this
>problem?
>
>John Hung
>Auburn, AL
>'84 GL