I brought my owner's manual to thepublic library today. This is what it says:
"We recommend that you use Motorcraft oil or an equivalent that meets both Ford specification M2C153-E and:
API SERVICE CATEGORY SG
Oils labeled API service SF are NOT recommended unless also shown with API service SG (Example: API Service SF, SG)."
Today's oils are labeled SH, a stanadard set since my 1989 manual was published.
PS I almost typed "We recommend that you use Microsoft..."
"We recommend that you use Motorcraft oil or an equivalent that meets both Ford specification M2C153-E and:
API SERVICE CATEGORY SG
Oils labeled API service SF are NOT recommended unless also shown with API service SG (Example: API Service SF, SG)."
Today's oils are labeled SH, a stanadard set since my 1989 manual was published.
PS I almost typed "We recommend that you use Microsoft..."
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