my plan is to do this least expensive for what i want ,,,my plan is to go with a 4 barrel carb ,,, clearly the intake , carb,,distributor and i believe the cam needs to be changed is there anything i am missing ,,,, the block has provisions for a mech fuel pump ,,,, the fi fuel system has already been converted to mech pump so im good there ,,,,, also are there intakes availeable for the 86 4.3 thanks