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-   -   Castrol Syntec Synthetic 20W-50 (https://www.offshoreonly.com/forums/general-q/191783-castrol-syntec-synthetic-20w-50-a.html)

Hydrocruiser 07-23-2008 08:45 PM

Castrol Syntec Synthetic 20W-50
 
Got a question as to what I thought of this oil


Outstanding oil...great high levels of ZDDP....

http://www.castrol.com/castrol/gener...tentId=7032644

Also was asked what synthetic oils I have seen adaptable to offshore engines...with adequate ZDDP levels

Castrol 20W-50
M-1 Silver and Goldcap
M-1 V-Twin
M-1 V-twin and mix with M-1 10W-40 MXT4
M-1 V-Twin mixed with M-1 15W-50
Redline 20W-50
RP 20W-50
Motul 15W-50
Amsoil 20W-50
Amsoil 20W-50 Racing
Amsoil 20W-50 V-Twin
Amsoil 15W-40 MArine
Merc 25W-40 Semi-syn
Volvo 20W-50


Kendall/Castrol/Penzoil/Citgo/Valvoline conventional... 20W-50 or 40wt.

Lots of great choices....most all 20W-50's have lots of ZDDP.


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