cam choice

74, that cam is very, very small. Honestly, I think you would do better to run the summit branded small LA cam. Here's a link. $110 with lifters, produced by Crane for Summit.
http://store.summitracing.com/partdetail.asp?part=SUM-K6900&autoview=sku

Paying twice for gaskets and doing the job twice just doesnt make sense to install that particular cam.