After though...PO had swapped out intake and carb for Edelbrock units, headers, and MSD ignition tied into a modified stock dist. The ADD in me says to remove all that and go with a stock intake and exhaust manifolds with GM hei dist. He was more hot rodder n I prefer basic GM with the shields and heat risor without burning up plug wires....just haven't figured out the +n- of doing that...and the cost.