At 09:21 AM 5/27/97 +0000, you wrote:
>Austin,
>
>> I'd recommend Bosch W7DTC 3-prong plugs; I've had good luck with them in
>> our '87 2.1l Vanagon, a '77 Rabbit, and a '92 8v GTI.
>
>Are these the same as Bosch Platinum?
>
>Thanks,
>
>-Karl 
>Karl F. Bloss - blosskf@ttown.apci.com
>'87 Vanagon GL  "Beverley"
>
>Hi Karl - no, they're not platinum, they just have 3 ground prongs instead
of one, & more importantly the spark jumps a gap that is horizontal instead
of vertical; ie, the spark is 'unshrouded'.  They used to be called surface
gap plugs, & are similar to aircraft engine plugs.  (& I hope that Bob
Hoover still is monitoring this list & will correct me as necessary).

Austin