I've got a merc 898 (305 Chev, 1978) with a newer reman'd leg (Alpha gen-1 style, new in '07, running 1.47:1). I'm swapping the old engine with a brand new, zero hour, 350 TBI from Kodiak Marine. The new engine comes with a 14" flywheel, and I've ordered a conversion 12.75" flywheel from the...