| General Specifications |
|---|
| Bore | 3 9/16" |
| Stroke | 3 15/16" |
| Displacement | 235.5 ci |
| Compression | 6.70 : 1 |
| Max Brake Horsepower | 105 @ 3600 RPM |
| Max Torque | 193 Lbs.ft. @ 2000 RPM |
| Normal Oil Pressure | 14 psi |
| Spark Plug Make | AC 46-5 |
| Spark Plug Gap | .035" |
| Firing Order | 153624 |
| Engine Idle Speed | 475 RPM |
| 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 16° 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 | 1102749, 1102761 |
| Output (1102749) | 45 Amps @ 2400 RPM |
| Output (1102761) | 36 Amps @ 2400 RPM |
| Brush Spring Tension | 28 oz. |
| Field Current (6 or 12 volts) | 1.75 - 1.9 |
| Delco-Remy Starter Specifications |
|---|
| Starter Part Number | 1107075 |
| 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. |