65 Barracuda engine swap
TURBO(s)
Think about it. Easy 350 easy hp.Requires low compression;check. No big tranny change;check. Only a diff change (for longevity);check. Still get great fuel mileage;check. No or almost no down time;check. No big cam,big carb,big manifiold;check. No hi-stall or 3.91s;check. comfortable,quiet cruising;check.KILLER torque;check, and double check.Minor support mods,and tire frying times.
Ok, thats what I would do.lol