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.Note: This is a racing engine and has no warranty.
Block:
4-bolt main blockSquare 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 forged
crankshaft (2 piece rear main seal)SCAT 5.7'' rodsKeith Black hypereutectic pistonsHastings Moly ringsClevite bearingsExternally balanced rotating
assemblyMelling high volume oil pumpHeavy duty double roller timing setCylinder
Heads:
RHS cast iron ''Lightning'' heads (50cc chamber)Hardened retainers
and 1.437'' diameter valve springs2.02'' swirl polished intake valves1.60'' swirl
polished exhaust valvesHardened pushrodsComp Cams rocker arms with stud girdleCamshaft Specs:
Solid Flat TappetDuration @ .050'' Lift: 258 Intake / 266 ExhaustLift: .540'' Intake / .558'' ExhaustLobe Separation: 105°Extras:
Aluminum single plane high-rise intake manifoldSteel circle track valve covers7-quart left turn baffled oil panProfessional Products harmonic balancer12.9:1 compressionHorsepower: 522
Torque: 500
Note: All Blueprint Chevy 383 engines include a balance plate and require the use of a neutral balance flywheel/flexplate.
