4 Q I a ENGINE INS I ALLAT N INSTRUCTIONS A I l I PART N0 6263006 CONT p I GENERAL INFORMATION Cont I This engine is equipped with an aluminum camshaft gear An undesirable noise level may develop when using the aluminum camshaft gear on passenger models It is therefore recommended that the aluminum gear be removed and replaced with the gear from the replaced engine if in usable condition or purchase new bakelite gear 3 8 When transferring front end covers and oil pan assemblies on 196 I and prior models the use of oil pan gasket unit 3930962 is required Also the four front attaching b 61ts can be discarded as they are V not required with the use of the oil pan front seal contained in the gasket unit I V GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TL 4 d 56 I