Engine Auto trans 294 Lubrication Full pressure Engine Location Rear compartment integral with differential and transmission CYLINDER HEADS Material Permanent mold cast aluminum with integral cooling fins Number of Head Tightening Positions 24 Valve Seat Insert Material Inlet Cast nickel steel alloy Exhaust Cast chromium steel alloy CYLINDERS Type Individually cast with integral cooling fins Material Cast iron Bore Diameter 3 4370 3 4400 CRANKCASE Type Split Half Material Cast Aluminum CRANKSHAFT Material Drop forged steel End Play 002 006 Journal Diameters Nos 1 and 2 2 0978 2 0988 Journal Diameters Nos 3 and 4 2 0983 2 0993 Connecting Rod Journals width 8585 8615 Diameter 1 799 1 800 Counterweights None Stroke 2 595 2 605 Pulley PD 6 64 MAIN BEARINGS Material Extra life steel backed babbitt Type Precision removable End Thrust Against Bearing No 1 Clearance Nos 1 and 2 0012 0027 Dimensions Nos 3 and 4 0007 0022 Bearing Theo ID Eff Length Proj Area 1 2 1008 795 1 670 2 3 4 2 1008 752 1 580 CAMSHAFT Material Alloy cast iron Drive Gear Gear Material Crankshaft Steel Camshaft Permanent mold Cast aluminum Bearings No inserts camshaft is in direct contact with crankcase VALVE MECHANISM Type Stamped rocker arm ball and stud push rod actuated Lifters Hydraulic Body Material Foot Alloy cast iron Sleeve Steel Plunger and Push Rod Seat Steel Rocker Arm Ratio 1 50 Valve Lash Zero VALVE TIMING Theoretical Turbo Air Inlet Opens 43 BTC Closes 93 ABC Exhaust Opens 87 BBC Closes 69 ATC Tappet Lift Inlet 20926 Exhaust 22935 Valve Lift Inlet 314 Exhaust 344 Ramp Inlet and Exhaust Opening 0056 14 long Closing 0070 28 long Super Turbo Air Inlet Opens 54 BTC Closes 118 ABC Exhaust Opens 95 BBC Closes 78 ATC Tappet Lift Inlet and Exhaust 252 Valve Lift Inlet and Exhaust 380 Ramp Inlet and Exhaust Opening 0036 9 long Closing 0070 28 long CONNECTING RODS Material Drop forged steel Length center to center 4 719 4 721 Bearings Type Precision removable Material Extra life steel back babbitt End play 005 010 Clearance 0007 0027 Effective length 649 Theoretical ID 1 8012 Projected area 1 169 VALVES Inlet Material Al1oY steel Overall length 4 489 4 509 Overall head diameter 1 335 1 345 Seat angle in head 45 Stem diameter 3415 3422 Stem to Guide Clearance New 0010 0027 Worn 001 004 Lift 314