Heres our conversation. His question " I have a 2005 cv713 vin-013505. I broke a valve last week and trashed a head but got it shutdown fast enought to save the liner and piston. It didnt brake a rocker or bend any push tubes.
It did brake the roller on the lifter and kill the lobe on the cam for the exhaust on #5. Can i use a cam out of an ac engine on mine to eliminate the exhaust bump on the ai cam?
I would like to swap my ai cam for an ac cam. I dont have an engine brake at all on this teuck. Is 454GC5236A a good one for me to use or 454GC5244." My responce "We have actually never done it here at our shop. My friend who has 2 CV's was waiting for a cam to go down and were were gonna do the AC cam swap. But he traded them in on 2 new GU's so we never got to try it. Whats crazy is that the 5236A cam is $860, the 5244 cam is $1469, the 5246 cam is $843 and the 5247 cam is $1586. I attached the bulletins on them. Wish I could help more . Number one thing is to check the "H" rings ( roller lifter holder)and make sure that it hasn't moved up in the block. If it were me Id try the 5246 camshaft but like I said I have never done this before. " His results "Thanks for your information on the cams. I got the truck put back together a couple weeks ago. I put the 5246 cam in along with a mech pump e7 exh manifold, e7 350 hot side housing on my stock turbo and stage 1 rochester nozzels. Ive dropped egt on the same pulls by 250* and coolant temps from 210 to 190. The truck gives a slight puff of black smoke on the up shift and pulls very strong from 1300 rpm on up. Thanks again for the cam info. Thought i would let you know how things went"