[RICK LAKE]

L79v Gene not going to bang on the Dove soapbox but looking at time and mileage. They are aluminum heads and can be repaired easy. ERA Chas has it right. The problem is finding a guy who can pressure test them after repair and run them in an oven to product heat cycles of a motor. need 100-125 psi internal for good pressure test. There is also a sealer out on the market that seals the water jackets. There is cheap stuff. This kit is about $200.00 and GM uses it on Caddie motors for head gasket problem. When done right have not had a return failure yet. This is what dove should have used years ago.
Fill in pits and polish them. Cracks can be pinned or justed filled in. How did you get pits in the heads? Knocking, pre ignition, running lean, over hot spots from the casing not being cleaned after machine work.
If you have alot of money into these heads with porting and polishing, I would repair them. If not I would look at a set of heads with a stage 2 or 3 job done.
I also have a set of Shelby heads with a stage 2 port and work done from Mike Lefevers when he was at Shelby. They where the only game in town in 98, I have also a set of Edelbrock heads worked to the max that flow about the same numbers as Bylkins. T&D rocker setup.
Last question, How big a camshaft in this motor and what rpm and max rpm are you running? Stock heads may be all you need or want if this is a cruise with a little fun. Rick L.