440 Cam Selection

You can buy off the shelf oil for a flat tappet. You just need to but oil with over 1,000ppm zinc. Mobil one makes several.

On to the cam and the OP. I have a very similar setup to yours. The cam I currently run and have run once before is the MPP 284/.528 solid. Both cars go mid 11's.

My recommendation to you is to run that MPP cam or if you want a little more the crane 681241