what engines could i swap out for my 99 3.0 flex? took out heads and foung a huge crack in. gotta take block out to replace oil pan. figured i might be able to find a cheap used engine and save myself some trouble. can i use a taurus or sable engine? they are so cheap for remans.

i reckon you could put a lil 4 cylinder cummins in it, then add some twins any youll be haulin ass.

Taurus vin u motor will work. Use your intake