???? bout cam degree

ok I know you guys are tried of me asking ???....but I dont really know what so I need to ask the pros...now I found tdc with the piston stop...read 45 one way and 55 the other which is 100 then / by 2 and get 50 so I turn motor back to 50 and 0 the wire...now I am playiong with the old cam new cam should be here this week (xe282-520/540 thanks Bjr) and the one that I'm playing with is the old one 306 555/555 now I dont really understand how to read this to use the wheel...valve timing 0.015
lobe life 0.37 intake 0.37 intake
lobe lift 0.327 ex 0.37 ex

vavle timing @0.015 lift

intake 47btdc 79abdc
ex 87bbdc 39atdc



I dont really understand what I should do here and what # to use I have a print out from the int. that I got from luntie site but not to much info on which # to use sorry for the dumb ????? but I would like to know before I mess things up thanks......:read2: