On Sun, 22 Aug 2004 23:33:57 GMT, (Stephen Scheiding)
wrote:
can anyone tell me where the engine coolant sacrifical zincs are
located. i need to change mine. model gm 6-71n, marinized by johnson
towers.
================================

You might want to ask the question on the "71-series" forum at:

http:www.boatdiesel.com

There are a lot of Detroit Diesel experts on there.