Crankcase oil
I lost the info on the type of oil to use for our original 427 Fords. When the web site switched over, away went my info. May I ask for a repeat? I have the trans fluid info and know I should not use sythentics but though you all had a preferred crankcase oil that you use. Sorry to be the new needy owner ;-)
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Rotella T4 15/40. No additives needed due to the zinc content already in rotella.