1952 Chevrolet 216 Engine Specifications

General Specifications
Bore 3.5″
Stroke 3.75″
Displacement 216.5 ci
Compression 6.60 : 1
Max Brake Horsepower 92 @ 3400 RPM
Max Torque 176 Lbs.ft. @ 1500 RPM
Normal Oil Pressure 14 psi
Spark Plug Make AC 46-5
Spark Plug Gap .035″
Firing Order 153624
Oil Capacity 5 qts.
Ignition Timing Timing mark: steel ball on flywheel
Cylinder Head Torque 75 – 80 Lbs.ft.
Compression at Crank Speed 110 psi
Piston and Ring Specifications
Min. Ring Gap (Compression) .005″
Clearance in Groove (Compression) .0015″ – .0030″
Min. Ring Gap (Oil) .005″
Clearance in Groove (Oil) .0020″ – .0035″
Wristpin Diameter .8645″ – .8650″
Valve Specifications
Operating Clearance – Intake (w/ Standard Trans) .006″ Hot
Operating Clearance – Exhaust (w/ Standard Trans) .015″ Hot
Operating Clearance – Intake (w/ Powerglide) 0
Operating Clearance – Exhaust (w/ Powerglide) 0
Clearance for Timing Intake 0
Intake Valve Seat Angle 31°
Exhaust Valve Seat Angle 46°
Intake Valve Timing (w/ Standard Trans) Opens 1° after Top Dead Center
Exhaust Valve Timing (w/ Standard Trans) Closes 9° after Top Dead Center
Intake Valve Timing (w/ Powerglide) Opens 15° after Top Dead Center
Exhaust Valve Timing (w/ Powerglide) Closes 17.5° after Top Dead Center
Valve Spring Pressure (w/ Standard Trans) 125 lbs. @ 1.5″
Valve Spring Pressure (w/ Powerglide) 160 lbs. @ 1.5″
Valve Stem Clearance (Intake) .001″ – .003″
Valve Stem Clearance (Exhaust) .002″ – .004″
Main Engine Bearing Specifications
Journal Diameter (Front) 2.6835″ – 2,6845″
Journal Diameter (No. 2) 2.7145′ – 2.7155″
Journal Diameter (No. 3) 2.7455″ – 2.7465″
Journal Diameter (No. 4) 2.7765″ – 2.7775″
Bearing Clearance .0007″ – .0028″
Crankshaft End Play .003″ – .009″ (taken on No. 3 bearing)
Main Bolt Tension 100 – 110 Lbs.ft.
Connecting Rod Bearing Specifications
Journal Diameter 2.311″ – 2.312″
Bearing Clearance .0003″ – .0013″
Rod End Play .004″ – .012″
Rod Bolt Tension 35 – 45 Lbs.ft.
Delco-Remy Distributor Specifications
Distributor Part No. 1112362, 1112363
Rotation Direction Clockwise
Cam Angle 31° – 37°
Breaker Point Opening .022″
Condenser Capacity .18 – .23 Mfds.
Breaker Arm Spring Tension 17-21 Oz.
Centifugal Advance Start (1112362) 1.5° @ 350RPM
Centifugal Advance Full (1112362) 19° @ 1700RPM
Centifugal Advance Start (1112363) 1° @ 300RPM
Centifugal Advance Full (1112363) 16.5° @ 1850RPM
Vacuum Advance Start 7 – 8.5″ of vacuum
Vacuum Advance Full 16.5 – 18.5″ of vacuum
Max Vacuum Advance 10°
Delco-Remy Generator Specifications
Generator Part Number 1100013, 1102749
Output 40 Amps @ 2400 RPM
Brush Spring Tension 28 oz.
Field Current (6 volts) 1.75 – 1.9
Delco-Remy Starter Specifications
Starter Part Number 1107109
Bush Spring Tension 24 – 28 oz.
No Load Test 70 amps, 5.65 Volts @ 5500 RPM
Torque Test 550 Amps, 3.25 Volts, Torque: 11 Lbs.ft.

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