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Tiara Open 1999 454 Oil choice
#11
I run Shell Rotella T SAE 30W. Getting hard to find though. My oil pressures are ~30 psi at 32-3600 and full operating temp with OAT of 90+ in Pensacola, FL.
Rob

1986 Tiara 3600 Continental, 454 Crusaders, 7.5kw Diesel Genset
2002 Luhrs 290 Open, 315hp Yanmars
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#12
I did my fall oil change before storing the boat for the winter and put the 15w40 rotella in it again. Oil I took out with about 50 hours on it looks perfect so I’ll keep you updated! Lol!
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#13
I use straight Rotella 40 wt in my 1998 31 open
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#14
Rotella 40
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#15
Used straight 40, 1500 hours had top ends done. Switch to pure syn, 15/40
2100 hours going strong.
ISBIB
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