ENGINE INSTALLATION INSTRUCTIONS I PART NO 392IOOI CONT I965 MODELS Require items A thru Q U plus the following Item Qty Part No Description Remarks CAC models only Purchase new or V 1 3838403 Crankshaft Pulley transfer from replaced engine S GENERAL INFORMATION 1 When installing clutch housing transmission pilot bore alignment and face runout should be checked as specified in the shop manual 2 On Corsa models it is also necessary to cut a 3 4 inch diameter hole in engine front shroud extension to accommodate temperature switch or transfer old shroud from replaced engine 3 Various mounting bolt holes located on the cylinder heads of the above engine assembly have been enlarged and relocated When using on certain models it may be necessary in some locations to use a 3 8 x 16 bolt and enlarge engine sheet metal holes to match mounting hole in cylinder head 4 When using on Powerglide models remove clutch pilot bushing 5 Models with optional equipment require transfer or replacement of engine parts special to such options 6 lf any part number listed above is not shown in the current master parts catalog check history section for replacing part number 1969 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATlON P A 3OC 47