Magnum Shortblock VS. Non-Magnum

I havent bought one, but what I'm pretty sure of it is this: Magnums do have provisions for hyd roller cams, they do not have provisions for rocker shaft oiling, they do not have a machined fuel pump boss. The head bolt count and pattern is the same as a non-Magnum. The Non-Magnum does have provisions for hyd roller cams, does have the fuel pump boss and eccentric, and does have thru-the-shaft rocker oiling. The Non Magnum can be fitted with Magnum heads, by using AMC lifters, and Magnum pushrods. For intakes, you can either use the few available for Magnum heads, or have your heads re-drilled for the earlier style intakes, and run anything. Something to keep in mind also, the Magnum heads use 1.6:1 rocker ratio, so if you are choosing your own cam, or putting Magnum heads on the earlier blocks, the cam's effective size is larger with 1.6s.