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nynor nynor is offline
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Location: salt lake city, utah
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slodave just helped me out with some info on rotella t. then i found this, re. its zddp content:

Hi,
During last week's ZDDP thread I said I would query Shell's Chemists about ZDDP content in Shell Rotella T 15 W-40 motor oil.
The original post is now back to oblivion so I renewed their answer here.

"There is approximate 1200 parts per million ZDDP in Rotella T 15W-40,
which is 50% higher than is allowed in Starburst motor oils (API
SN/GF-5). Thank you for your interest in Shell products.

Richard Moore"

from Shell Oil's answer to "Questions to our Chemists"
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Old 07-13-2013, 10:32 PM
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