|----------------------------------| |PART # 12-238-2 | |ENGINE CHEV SML BLK 265-400 | | | |GRIND NUMBER CS XE262H-10 | | SERIAL NO QA8032 | | INTAKE EXHAUST | |VALVE ADJUSTMENT HYD HYD | |GROSS VALVE LIFT .462 .469 | |DURATION AT | | .006 TAPPET LIFT 262 270 | |VALVE TIMING OPEN CLOSE | |AT .006 INT 25 BTDC 57 ABDC | | EXH 69 BBDC 21 ATDC | |THESE SPECS ARE FOR CAM INSTALLED | |AT 106 INTAKE CENTER LINE | | INTAKE EXHAUST | |DURATION AT .050 218 224 | |LOBE LIFT .3080 .3130 | |LOBE SEPARATION 110 | | | |RECOMMENDED CC VALVE SPRG 981-16 | |VALVE SPRING SPECS FURNISHED | |WITH SPRING | |----------------------------------|