12-15-2019, 02:36 PM
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#8
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Senior Member
Join Date: Aug 2012
Location: Abq, NM
Posts: 3,607
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Re: FE 390 oil related questions
Quote:
Originally Posted by JimNNN
. . . I'm using STP oil treatment with the ZDDP added. Can you think of a better option? I notice that there are some other ZDDP additives out there, but the STP seems to be what's readily available at most stores.
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A quote...
Modern heavy-duty diesel engine oils have lots of ZDDP additives and will be marked “CI-4 or CI-4 Plus” Diesel oils also have additives that pass all gasoline engine performance tests. Some racing oils also have adequate amount of ZDDP.
from this link...
https://www.ctci.org/engine-oil/
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