I am assembling my 383 I had got a Fel-Pro gasket set and I'm not sure where some gaskets go. I think some are for the oil pump, but since I got a new high volume one I won't be needing them anyways. Better safe than sorry.
Because those sets fit all big blocks now you'll have some dupes. Early and later T stat gaskets, HD coolant lines, EGR gaskets, different exh manifold to pipe gaskets, etc. Use what you need to use and if you don;t need the rest you're good.
last pic is rear main cap side gasket insertss... PAIN to get to seal... read instructions carefully! I had to pull my engine back out again to install those... DOH, and I think it still leaks from there... might have to do it again... and have someone come show me some tricks!