Does anyone have the Dave Mackie cams or know anything about them. He actually just ported my heads. I currently have Woods TW - 8-6 cams and was wondering what the difference would be.

 

Mackie & Woods cams are made by Andrews. They are all pretty close to the mass produced Andrews brand & are more expensive.
Check the specs for each & decide from there. Ask the guy who did your heads what he recommends for your style of riding.