414 roller cam help???
Brian at IMM custom ground a retro fit hydraulic roller cam for me:
[ame="http://www.youtube.com/watch?v=0DH1DRzAVZI"]‪414 Small Block Mopar‬‏ - YouTube[/ame]
You want lumpy he can hook you up.
If you can swing it send them heads to Shady Dell Speed or Brian at IMM and get them ported. That and a good cam you will be happy when the pedal goes down. If you are on a budget get the ports touched up, some bowl blending, check out the guide clearances, and go over the valve job.
Yeah I would not go flat tappet if you can afford a roller cam. One wiped lobe and you are screwed. If you do go roller the push rod holes on the heads will need to be opened up for clearance. Also, if you go with a big cam upgrading to 10 degree retainers and locks along with better valve springs would be a good idea.