Camshaft r&r

Yep, take the intermediate oil pump shaft (gear on top that's engaged to your cam) out, this is all one part you know that. Lay it aside, re-install once you get your new cam in. Cam should come out once you get all this stuff that the other folks said out. I had to temporarily bolt the cam timing gear back on and do some twisting and turning while I had something to pull on, just by hand.
Sorry I never gave a thought to all the other relevant info magnum motor and lifters and all out stripped down ready to go but giving me a fight. First time I've been this deep in a motor in over 20 years. No manual or anything.it is the intermediate shaft I'm talking about. Do I let up on it and it come out first? It doesn't budge.