all kidding aside, it goes back to what @PRH said in post #2 "how is it gonna be used"? rip snortin' blvd brawler? low buck big torque unit that'll ripple the pavement? burger cruiser that'll sound cool at idle and put on one hell of a smoke show?
in the "this is excellent category" you have a four cog backing it up and a 8.75, so gears and stall won't be an issue.
in the "well this could be better category" you have a low compression 440. gift horse, teeth, and all that not withstanding.
we all know that the compression is going to be dismal. so without addressing that, big lift and long duration cams are only going to serve in making the bottom end absolutely dog water.
so this is where budget comes into play: do you have the chips to splash the pot on a set of heads that'll eek out some squeeze or the time/inclination/desire/intestinal fortitude to get some slugs in there that'll bring it up to a more reasonable and workable compression ratio?
if the answer is yes, to either of those, this changes the path forward considerably.
if the answer is no, then give the heads a skim and pocket port, throw a dual plane on it with a 750, stab in an RV cam with matching springs and ship it. it'll probably make like 375/425 and be all over by 4800, but you'll look good doing it.
equip it with 3.55's and act accordingly.
(and be sure to save up for tires)