[QUOTE]Originally posted by carreraboat:
I need to know what types of oil you guys use in your large horsepower engines and how often you change it
bo

carreraboat, do a search on oil there have been a few good discussions on the topic. Oil & weight are personal preferences that are dependant on year of the engine, who built it, clearances etc... Mine is Valvoline racing 50wt in a mild blown 454.