i am getting ready to buy a 77.5 hi pinoin ford d44. i havent seen it in a week so i cant remeber but, are both sides flat top knuckles on these year axles?

They should both be flat tops.

good flat top site (http://77cj.littlekeylime.com/flatop_knucles.html)

also try poking around parts mike's site
lots of flat top info there