just bought a 6-06 barrel, i have more 30-06 brass than will live multiple setbacks of the barrel, a 243win FL die, and a Lee Collet 243 die.

Anything else needed? run the 30-06 brass in the 243 die to neck it down? (i dont care about brass life from such an extreame neck down, i have more-06 brass than i know what to do with) then neck size with collet die? anything else needed?

its an 8 twist, faster than i wanted but didnt want to wait 3 motnhs for a barrel

and what about loads? ive heard you can use 6-284 as a starting point, any pet loads?