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440 Cubic Inch Six Pack Magnum V8 Engine

440 Cubic Inch Six Pack Magnum V8 Engine


Specifications: ( Based On 1970 Information )

Engine Type


Piston Displacement

440 cu. in.

Bore And Stroke

4.32" x 3.75"

Compression Ratio

10.1 to 1

Horsepower @ R.P.M.

390 @ 4700

Torque, lb-ft. @ R.P.M.

490 @ 3200

Fuel Recommendation


The "440 Six Pack" engine was offered in 1969 - 1971. This engine featured three two-barrel Holley carburetors on an Edelbrock aluminum intake manifold, Special Camshaft, Silenced Air Cleaner, low restriction exhaust manifolds and large dual exhaust. This engine was rated at 390 hp and 490 pounds-feet of torque.
Available as an option on the 1970 Dodge Coronet R/T. 440 Six Pack engine's had power almost equivalent to more expensive 426 HEMI. Production of the 1970 Coronet R/T with the Six Pack option was low, only 194 Hardtop's and 16 convertibles were built.

Source Of Information: Chrysler Corporation


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