The block # is 485428, 455 bored 30 over (462) completely rebuilt / Line bored/Honed/0 Deck and squared! Internal Parts as follows: SP.030 TRW L 2359 FORGED PISTONS ON RPM FORGED I-BEAM RODS W/ 7/16 ARP CON ROD BOLTS ! COMPLETELY BALANCED WITH NEW HARMONIC BALANCER AND NEW HAYES FLEX PLATE! THE (6X4) HEADS HAVE BEEN TOTALLY REBUILT AND MACHINED FOR POSITIVE VITON SEALS ALONG WITH ENLARGING THE EXHAUST VALVES TO 1.77 /2.11 INT. (STAINLESS STEEL) ! THIS SHOULD END UP WITH A COMPRESSION OF APPROXIMATELY 9.5 TO 1 ! ALSO HAS ALL NEW SPRINGS/ROLLER TIP ROCKERS AND NEW PUSH RODS . THE ONLY PARTS THAT HAVE BEEN REBUILT AND NOT (NEW) IS THE 850 CFM Q/JET AND THE ORIGINAL 455 CRANK THAT WAS RESIZED AND POLISHED ! (NEW BUTLER ) (6 QT ) OIL PAN /DIP STICKS/TUBES W/60# PUMP AND 1 PIECE OIL PAN GASKET /VITON CRANK SEALS./ (RARE) EXHAUST MANIFOLDS. WITH MANDREL BENT DOWN PIPES (FIT 2ND GEN BIRDS AND MANY OTHERS) I ALSO USED THE 1972 STOCK CAST INTAKE FOR EX FLOW AND CORRECT HOOD CLEARANCE FOR FIREBIRD ! THE CAM I USED IS A ELGIN E 980 P /I HAD A 979 IN A PREVIOUS 462 IN MY 76 BIRD AND IT WAS VERY STRONG SO I BUMPED IT UP 1 MORE # ! STILL POWER TO BE MADE WITH UPGRADES TO CAM AND ALUM HEADS WITH A BOTTOM END TO HANDLE IT !!!!! THE PICS SHOW THE ENG . PLEASE LOOK IT OVER AND GET BACK TO ME WITH ANY MORE INFO AS NEEDED, THANKS FOR LOOKING
Here's some specs related to this engine !!!
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