[1985airborne]

I bought the NF cam with the GM CNC ported heads and there wasnt enough PTV clearance so I had to change my cam...I was extremely pissed but I cant complain because my build was all on a budget... Just make sure your heads are CNC ported to the NF cam spec...I got the Gm CNC ported heads for 1K so I had no choice but to pull the trigger on them with that being said that doesnt mean you cant buy them and have them milled .30 more...