3LikesThread: Royal Purple 20w50 oil
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01-04-2012 01:45 PM #16
CHR Member
- Join Date
- Jan 2012
- Location
- Dayton
- Car Year, Make, Model: 1925 Chevy
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If ZDDP is what you want ....
" 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 "
Jim
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Visited a family member at Dockery Ford from the time I was 1 year old through their ownership and then ownership change to Morristown Ford. Dockery was a major player in the Hi Performance...
How did you get hooked on cars?