Engine, Transmission & Rear-End Specifications
Engine:
- Type: 90˚ V Cylinders: 8 Valve Arrangement: Overhead, Hydraulic Lifters
- Bore & Stroke: 4.32 x 3.75 Piston Displacement: 440
- Compression Ratio: 9.7:1 Firing Order: 1-8-4-3-6-5-7-2
- Maximum Brake Horse Power: 375 @ 4600 RPM
- Maximum Torque: 480 @ 3200 RPM
- Intake Valve Diameter: 2.08″ Exhaust Valve Diameter: 1.74″
- Valve Lift – Intake .450 Exhaust .465
- Valve Open Duration Intake – Intake 276˚ Exhaust 292˚
- Valve Overlap: 54˚, Intake Opens 25˚ BTDC
- Pistons: Aluminum Alloy with Three Rings Crankshaft: Drop Forged Steel
Engine Tuning Specifications:
- Idle Speed (neutral): 800 RPM
- Basic Ignition Timing (with vacuum line disconnected): 2-1/2˚ @ 800 RPM
- Spark Plugs: Champion J-11Y Spark Plug Gap: 035
- Distributor Breaker Point Gap: .016-.021
Fuel And Lubricating System:
- Carburetor: Carter One 4-Barrel, Down Draft, Velocity, Valve Type Secondary System, Automatic Choke.
- Fuel Pump: Mechanical Air Cleaner: Paper Element, 500 sq. in. Effective Area.
- Gas Tank Capacity: 24 gals.
- Crankcase Capacity: 6 Quarts (add 1 qt. when replacing Filter). Oil Filter: Full-Flow Type
Cooling System:
- Capacity: 15.5 qts, (17 quarts if equipped with A.C.)
- Type: “Series-Flow” With Pressure-Vent and Thermostatic By-Pass Temperature Control.
- Fan: 7-Blade, 18″ dia.
Electrical System:
- Type: 12 Volt, Negative Ground
- Battery (without air conditioning): 78 Plate, 70 Ampere-Hour Alternator: 37 Ampere
- Ignition Distributor: Dual Breaker, Mechanical & Vacuum Advance.
Transmission:
- Type – Automatic: Torque Converter & Planetary Gears, Fully Automatic
- Max. Over-All Torque Multiplication: 4.90 First Gear Ratio: 2.45 Second Gear Ratio: 1.45
- Type Lubricant Recommended: Auto. Trans. Fluid, Type “A” Suffix “A” Capacity: 19.0 pts.Steering:
- Type: Constant-Control Power Steering Ratio (gear): 15.7
Rear Axle:
- Ratio (Standard) with automatic transmission: 3.23 to 1
For more information about the 1970 Chrysler Hurst 300: