What oil is best for a 440bb
I think someone on here posted this. It's a lot of reading, but great stuff.
http://www.bobistheoilguy.com/motor-oil-101/
Worth slugging thru.
You only say your 440 has a cam in it. I would hope so, they work better with them in there. Solid, hydraulic, roller? Use = Race, street or both? That would be an influence in your selection.
Assuming it's a street driven 440, mild upgrades. I tend to like Mobil 1 synthetic 10W-40 and 10W-30 in colder weather. That article tells me I should use an even synthetic in cold weather that I have been using.