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Old 11-30-2009, 10:54 AM
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Chicago190 Chicago190 is offline
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Join Date: May 2007
Boat: Mastercraft, Prostar 190, 1996, 285 HP
Location: Glenview, IL/Minocqua, WI
Posts: 1,122
Quote:
Originally Posted by boyd View Post
http://micapeak.com/info/oiled.html

Check it out. Good information. Go to the bottom and you will see the amount of zinc in the oil.
The article talks about if you need zinc and how much is needed. Also what the "W" represents and should you use an oil with different weights etc ....


Enjoy,
BOYD
That article is over 10 years old. Good info, but the zinc content is unreliable because it was only the last few years that the EPA mandated lower levels of zddp in oil because zinc build up on catalytic converters was causing poor performance.
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Last edited by Chicago190; 11-30-2009 at 11:00 AM.
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