donmcgowen

I am starting to rebuild my 1968 Camaro. I have a 406 small block but I need help identifying the heads. I believe they are Dart II Sportsman heads, but the intake and exhaust castings are very rough. Doesn't seem like an aftermarket head would be this rough but I'm going to have them ported if they are good heads. They have 2.02/1.6 valves, 1.5" or 1.54" double valve springs with dampers, valve guides, 64cc chambers, at least they look 64 by the shape of the chambers. I need to determine if these are decent heads that I can work with. They seem like good heads with 2.02 valves, nice valve springs, I was just concerned with how crappy the castings are for the intake and exhaust runners. They are very rough and the intake runner shape is that that great.

https://www.dropbox.com/s/vv9pgg9cm3...51331.jpg?dl=0

https://www.dropbox.com/s/r5pvplsd4a...51431.jpg?dl=0

I have a Crane cam 232/242@ .580/.600" cam that I want to use with these heads. The valve springs I think can handle this cam, but I will have them tested. I just need to know if these are decent heads that I can build the motor with. I looking for 450-475hp plus a 150 shot of NOS.