This is what i have ?24 bolt head '2bolt dist'59ab on right side head 59a on the left,i dont think it is raised under the intake?? For the water holes ,top is traigle centre is round ( possible mercury)the bottom is trapezoial .it also has the 2 freeze plugs on each side of the pan rail. It also had the long ugly oil fill tube up front on the intake . This is all i have for know ?i would like to rebuild to put in a 33 ford pick-up with a 5spd if it is a good canidate after it gets i trip to the machine for a good bath an some work ?? But i dont want to waste the money or the time if it is a bad choice thanks in advance what year is this thing????????? Help please.