1961 MODELS Require items D thru Y plus the following ITEM QTY PART NO DESCRIPTION REMARKS AA 1 142851 Fuel Pump to Carb Nipple 4 New part required to clear Oil Filler Tube AB l 6256495 Fuel Pump Push Rod Assy Use with lst design Fuel Pump Assy 5621704 Purchase new or transfer from replaced engine See General Information No 3 AC 1 3797593 Fuel Pump Push Rod Assy Use with 2nd design Fuel Pump Assy 5621776 Purchase new or transfer from replaced engine AD 1 1110258 Distributor Assy Not used with A T Purchase new AE 1 1110271 Distributor Assy Used with A T exc MONZA 2nd design or transfer from AF 1 1110278 Distributor Assy MONZA w A T 2nd design replaced engine 1960 MODELS Require items D thru O U V AA AB and AD plus the following AG 1 1110271 Distributor Assy Used w A T Purchase new or transfer from replaced engine AH l 1998713 Oil Temp Switch Remove 24 Temp Sending Switch Plug Purchase new or transfer from replaced engine AI 1 6256890 Rear Shroud Assy R H Purchase new or transfer from replaced engine Al 1 6257732 Exhaust Manifold R H Purchase new or transfer from replaced engine AK 2 3786303 lnztwhganifold Vacuum Balance Tube Imtcu new pcm fumishsd with engine GENERAL INFORMATION 1 Models with optional equipment require transfer or replacement of parts special to such installations Example On C A C models transfer Oil Filter Adapter from Engine being replaced and install two new Filter Gaskets 2 If Fuel Pump noise has been encountered use Fuel Pump Assy 5621776 and new Fuel Pump Push Rod 3797593 3 If sheet metal Shroud or Shield interference ot any nature is encountered when installing this Engine Assembly on 1960 or 1961 Models rework sheet metal or transfer parts from replaced engine 4 lf part number shown is not cataloged check History Section for replacing number 1962 Chevrolet Motor Division General Motors Corporation CORVAIR CHEVY