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Old 08-01-2011, 09:28 PM
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ps2cho ps2cho is offline
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Join Date: Jun 2006
Location: Chandler, Arizona
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Quote:
Originally Posted by Hirnbeiss View Post
Why diesel oil? I thought the zinc additives were bad for cars with cats ( assuming his 86 has one).
Too much, yes.

You wanna prolong the life of your valvetrain or your cat?
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