380HP / 360 Magnum Mopar Performance Crate Engine
CRATE ENG
Part #
P5153475
Price: $4,899.95
Quantity:
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For those who want more horsepower, Mopar Performance Parts offers an even hotter Magnum 380. The Magnum family of engines is at a higher level of development than any of our past engines, even without modifications. This allows larger horsepower gains to be achieved with similar changes. The Magnum 380 crate motor head is a swirl port design that has smaller combustion chambers and a higher compression ratio (nominal 9.0:1). Different intake and exhaust port sizing flows more air without modifications to the cylinder heads. Breathing is enhanced with 1.925" intake valves and 1.625" exhaust valves. Overall package of smaller valves and better ports flow more air. Next, we slide in our .501" / .513" lift, 288/292 degree duration hydraulic roller camshaft, add a 4BBL carbureted M1® single plane intake manifold (with bosses over each runner for future MPI). We add special valve springs and a double roller timing chain as well as an MPP electronic distributor. The distinctive Mopar cast valve covers with 10 screws are added to the package, with an oil pan (center sump) similar to the Commando engines. It is recommended you add your own 750 cfm Holley carburetor and headers to complete the package. Dyno testing with a 750 cfm carburetor and 17/8" headers show horsepower output to be 380+ at 5300 RPM. Torque output is 410+ lb/ft at 4400 RPM, with over 350 lb/ft available from 2000 to 5700 RPM. Install a completely new (not rebuilt) Magnum engine assembly and have more power than even the “Muscle Car Era” small blocks had!


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