hi does any one know the part number for a replacement starter to fit 66 fleetwood 75?(broken snout, No rear brace) are they the same as other 66 models? I've found little info so far, spoke with rockauto but not much success i dont want to ship 1 over only to have to ship it back,also what are the better options BBB industries 3631SN? or acdelco 3361847?thanks