After testing a lot on what would be good for this mech i settled on this build. Though if they implemented the gh cap of 3 er larges this would be a nobrainer but until then i will be using this. You can swap out the large pulses for ppcs if youd like.
I tried 6xerlarges too but thats best on the c variant because of high mounted hardpoints. Can do 4 large pulses with 3 ermediums too but i found that one to be quite hot but ill give it a go again some time.