02-04-2011, 03:44 PM
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Senior Club Cobra Member
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Join Date: Mar 2001
Location: Southern Connecticut,
CT
Cobra Make, Engine: SPF - 351W, 944 non-turbo
Posts: 2,105
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Not Ranked
If the oil you use has the "Starburst" symbol on the container it does not have higher levels of ZDDP. Most 5W-30, 10W-30 and 5W-20 oils have the starburst symbol and therefore have ZDDP level of about 800 PPM (to protect the CC). Redline oils (and maybe others) do not have the starburst symbol because of their higher levels of ZDDP (1,200 PPM).
If you want to know the ZDDP level in the oil you're using just give the company a call.
Bob
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