The International Cessna 170 Association

Joe most people have changed where both rockers have the oil squirt hole in them. If you have only 6 with and 6 without be sure to use the ones with on the exhaust valve. if you don't have six with holes be sure you get at them Ron

g simantos here is the answer to the prop bolts the O300d engine needs 6- A2513-16, 12-AN960-816L washers and 6- MS 20365-820C nuts. there are no wiring holes in the bolts or nuts and are not required. You must torque them to 55-65 ft/lbs. You also have two dowel pins in the prop flange. As far as t...