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Still having some hone marks doesn't necessarily mean your bore is good. I've seen bores with bad taper and still see some hone marks.
If your crank needs any work you're going to have to pull the engine anyway. I'd do whatever it takes to get it out. it needs tanked and you want new freeze plugs, cam bearings and all anyway.
If you're not going for a radical build the roller cam only requires the cam, roller lifters and a bronze or hardened distributor gear. new push rods of course but chances are if you surface and deck you're going to need those to adjust preload anyway. your stock rockers will work as is.
Found a 2 ton engine hoist and engine stand for $250 on FB marketplace. I'll have it tomorrow. Engine will get pulled for certain now!