> I notice on Bus Boys site there is a plug exclusive to the
> '85.  Question:  the original 1.9 was replaced with a 2.1;
> does that change the plug I'm looking for?

The standard Bosch replacement plugs are the same for 1.9L and 2.1L.
Assuming you want to go with a stock single-electrode copper plug, that
would be a W7CC (which we sell for $1.25). If you want a Platinum plug
it's a WR7CP.  Then there are options such as tri-electrode plugs, OE
plugs, etc. The vast majority of people use the W7CC, which is also what
I use personally.

Links:

http://busdepot.com/details.jsp?partnumber=W7CC

http://busdepot.com/details.jsp?partnumber=WR7CP

- Ron Salmon
  The Bus Depot, Inc.
  www.busdepot.com
  (215)  234-VWVW

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Toll-Free for Orders by PART # :  1-866-BUS-DEPOT