Specifications

Type

Bore x Stroke

Compression Ratio

Brake Horsepower @ RPM

Torque @ RPM

Idle RPM

Valve Lifters

Carburetor

Fuel

Firing Order

Ignition Timing (BTDC)

1967

390cui V8    428cui V8

4.05 x 3.78    4.13 x 3.98

        10.5:1

315@4600    345@4600

427@2800    462@2800

        475-550

        Hydraulic

        4bbl    

        Premium    

    1-5-4-2-6-3-7-8

no Thermactor: 10°

Thermactor: 6°

1968

390cui V8    429cui V8

4.05 x 3.78    4.36 x 3.59

10.5:1        11.0:1

315@4600    360@4600

427@2800    476@2800

        550

        Hydraulic

        4bbl    

        Premium    

    1-5-4-2-6-3-7-8

        6°

1969

429cui V8

4.36 x 3.59

10.5:1

360@4600

476@2800

550

Hydraulic

4bbl    

Premium    

1-5-4-2-6-3-7-8

6°

1970

429cui V8

4.36 x 3.59

10.5:1

360@4600

480@2800

no Trottle-Solenoid: 600

Trottle-Solenoid: 500-600

Hydraulic

4bbl    

Premium    

1-5-4-2-6-3-7-8

6°

1971

429cui V8

4.36 x 3.59

10.5:1

360@4600

480@2800

600

Hydraulic

4bbl    

Premium    

1-5-4-2-6-3-7-8

4°