Blueprint Engines are a great choice for drivable and reliable high performance engines. All rotating assemblies are balanced within 2 grams on a computerized balancer. Blueprint Engines are dyno tested and include dyno sheets. Best of all they feature a 30 month/50,000 mile warranty. Block:
4-bolt main blockPassenger side dipstickSquare and parallel deckedAlign honed main bearing boreCylinders are sonic tested for thicknessCylinders honed on a computer controlled machine to within .0002'' straightness and roundnessRotating Assembly:
SCAT 3.75'' stroke cast crankshaft (2 piece rear main seal)SCAT 5.7'' I-beam rodsKeith Black hypereutectic pistonsHastings Moly ringsClevite bearingsExternally balanced rotating assemblyMelling high volume oil pumpHeavy duty double roller timing setCylinder Heads:
Dart aluminum headsHardened retainers and 1.437'' diameter valve springs2.02'' swirl polished intake valves1.60'' swirl polished exhaust valvesHardened pushrodsCamshaft Specs:
Hydraulic Flat TappetDuration @ .050'' Lift: 224 Intake / 230 ExhaustLift: .480'' Intake / .486'' ExhaustLobe Separation: 110°Other Features:
Howell dual-plane satin aluminum intakeSignature Series aluminum valve coversChrome timing coverNew 5-quart oil panBrass freeze plugs9.5:1 compressionHowell multi-port fuel injection systemEdelbrock water pumpMSD distributorMSD CoilMSD spark plug wiresProfessional Products balancerHorsepower: 425
Torque: 450
Note: All Blueprint Chevy 383 engines include a balance plate and require the use of a neutral balance flywheel/flexplate. This engine will not work for applications requiring EGR.
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