Not if it is the crush type. The crush type is like a hollow ring. As you
torque your plug, the ring will crush easily. I have only found these at the
dealer and they are cheap anyway. Don't use the solid copper ones as they
are not meant for the vanagon.

Bill  V.                 "I'd Rather Be Hiking The
'82 CA Westy [FreeBird]       Greater Yellowstone"
"Famous Potatoes"

>
> So, is it a bad idea to use a copper washer?
>