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Forum: General Q & A

10-15-2021, 08:19 PM

Replies: 91

synthetic oil in 500EFI?

Views: 38,915

Posted By Cap'm Kurt

Just FYI, another oil brand. i have used...

Just FYI, another oil brand.

i have used this for 3 decades. Schaeffer brand. Their 15w40 diesel oil. Use in everything except new vehicles due to viscosity.

Schaeffer stated in the 1800's...

Forum: General Q & A

10-15-2021, 08:13 PM

Replies: 91

synthetic oil in 500EFI?

Views: 38,915

Posted By Cap'm Kurt

What Pismo10...

What Pismo10 (https://www.offshoreonly.com/forums/members/pismo10.html) said on sept 13th. Most any all will work fine.
Multi viscosity oils used to be an issue in marine engines decades ago,...

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