Claimer Engine
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 block - Driver's 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 iron crankshaft (2 piece rear main seal)Keith Black hypereutectic pistonsHastings Moly ringsClevite bearingsBalanced rotating assemblyMelling high volume oil pumpHeavy duty double roller timing setCylinder Heads:
GM 305 straight plug headsHardened retainers and 1.437'' diameter valve springs2.02'' swirl polished intake valves1.60'' swirl polished exhaust valvesHardened pushrodsLong slot rockers with positive-lock adjuster nutsCamshaft 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 balancer11:1 compressionHorsepower: 426
Torque: 433
Note: All Blueprint Chevy 383 engines include a balance plate and require the use of a neutral balance flywheel/flexplate.