Home › Forum › Ask A Member › 1961 5.5 crank and rod assembly › Re: 1961 5.5 crank and rod assembly
December 4, 2015 at 10:12 pm
#28053
I was going to swap the new style crank, rods, and rod big end needle bearings into the ’57 case. It may not be "rod bolts" that rub, but the rod big end itself. The sleeve bearing crank and the needle bearing crank are two different part numbers, that’s for sure. It could be that the needle bearing setup has a smaller crankshaft journal, and a larger big end casting, to accommodate the needles in between. I haven’t seen it to compare, but that’s (only) my guess.