Engine back from machining! What next!

check your piston rings gap before you put them on your pistons. insert just the ring one at a time in the cylinder use a piston to level it up. then check the gap to make sure its within spec file the end if nessicary match the rings to each cylinder not just use one cylinder for all of your rings. example start with cyl #1 check 3 rings in cyl #1 install those rings on number 1 piston then onto number 2. and soak your lifters in new oil for acouple of days or until your ready to install them that way they'll be pumped up.over time the oil will seep into the lifters. you can also use a pushrod and slowly push down on the lifters while there submerged in oil. while you push down on the lifter hold it down for a bit oil will go in you'll see air bubbles come out. i like to use marvel mystery oil on my pistons great stuff. also dont be cheap on the assembly lube. just like women motors dont like dry starts!! goodluck and have fun