I am currently re-assembling my long block, my ? is there is one upper main bearing that is different then the rest ie... the oil groove in the bearing only extends 3/4 of the bearing where as the rest go the full lengh. Which journal does this bearing go on? There Clevit bearing and the old ones i removed had one identical but I dont remember whereit was located. I'm doing this right now so any help wouold be highly appreciated