
04-16-2008, 06:49 PM
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Senior Club Cobra Member
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Join Date: Feb 2004
Cobra Make, Engine:
Posts: 1,226
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Not Ranked
Use CJ-4 (diesel oil) and don't worry about additives. It has 1200PPM or you can still get CI-4 at truck supply stores and it has 1500PPM. The new GM EOS is the same as the old with the exception of added calcium as a detergent. It is used for assembly and the initial breaking in of new cams but not to be used regularly.
Jim
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