I was going to do a tune once I completed the cam, heads, or both.
These are the cams I was looking at:
http://www.summitracing.com/parts/crn-109811
http://www.summitracing.com/parts/lun-20080660/overview/make/chevrolet
http://www.summitracing.com/parts/cro-00462/overview/make/chevrolet...