1969 coronet 440 build questions??????
 

so i just bought a hemi orange 69 cornet with a 318. I also bought a 73 440 out of a motor home. im not sure what to do first as far as performance upgrades to the motor. I have a 8 3/4 3:55 suregrip diff and a torker II intake and an aluminum radiator on the way what else do i need. which cam? what should I do to the heads, port them? mill them? if I mill how much and will I hav to change out pushrods and lol how much is safe to mill, also will I have to mill the intake side of the heads as well? also how to Id which heads I hav thanks

no matter what, you should get an adjustable pushrod and check your self what the correct size would be
after you mill the heads, if you are going to