6.4 Engine Specs
I found these 6.4 engine specs in the March/April issue of MOPAR:
4.09 Bore 3.72 Stroke 10.93:1 Compression 470 hp @6,000 rpm 470 torque @4,200 rpm 2.13 Intake Valve 1.65 Exhaust Valve Active intake FI induction system (composite intake manifold) Variable cam timing (allows movement of 37 crankshaft degrees) Multi-Displacement (MDS) 6.1 Exhaust manifolds Larger water jackets than 6.1 to improve circulation around bores New oil squirters New oil cooler to reduce piston temperature Thicker cylinder head deck for structure and larger water jackets Smooth core technology cylinder heads (like Viper) Casting cores use same smooth FS90 sand as the Viper Larger diameter valves have "tried and true" cooling technology Exhaust valves are sodium-filled for temperature transfer Valves are controlled with ovate-wire beehive valve springs Note: The 392 has the best horsepower-per-liter numbers if any cam-in-block two-valve engine. (This includes the LS-7). |
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