I would replace the exaust rotators/short spring with some stock intake retainers/springs just to be on the safe side of retainer to valve guide clearance. it will have a shorter spring on the exhaust and reduces lift that can be used.
I ran that cam in a couple 318 with stock springs or the comp 901-16 as replacments.
the cam should be stock idle smooth and done around 5500 mark IIRC.
my lunati voodoo roller cam and the hughes whiplash roller cam both are in #302 headed 318s with comp 901s and 16 stock intake retainers/stock seals.
both have .485-.487 lift with no machine work neede on the valve guids or seals.
if you chack and have the clearance you could stay with the rotators if you would rather have them...
the old skool hipo 273 solid lifter cam with .500/.500 lift are awsome in a 318 if you wanted a solid lifter hipo 273 engine