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SN rated oil

890 Views 1 Reply 1 Participant Last post by  graymond
I was taking to a parts dealer and he said to never, never run SN rated oil even with the zinc additive in our cars. Not even with a roller cam.

Does anyone know about this or heard about it? Is he blowing smoke or is it real?

Ray
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http://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=2675591&#Post2675591

These guys seem to know what they are talking about. Very quick response.

Seems as if I was building a tempest in a teapot. :D

Ray
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