4 bolt main block bored .040 over Square and parallel decked Align honed main bearing bore Cylinders honed on computer controlled machine to within .0002 straightness and roundness Cylinders are sonic tested for thickness
New cast steel crankshaft Hypereutetic pistons GM heavy beam rods with 150,000 psi bolts Hastings Moly rings Rotating assembly balanced to within 2 grams Melling high volume oil pump Flat tappet hydraulic lifter camshaft Double roller timing chain
New cast iron heads 1.25 diameter valve springs Hardened retainers and springs 2.02 swirl polished intake valves 1.60 swirl polished exhaust valves Hardened push rods HP long slot rockers 3 angle valve job
Cam Type: Flat Tappet.435 Intake .454 Exhaust209 Intake / 216 Exhaust duration @ .050 - 112 degree lobe separation
Set at manufacturer specifications
TBI dual plane Custom programmed ECM specific for your application Timing cover Oil pan Valve covers Brass freeze plugs Dyno tested – and shipped with results
This engine requires a 400ci weighted harmonic balancer, and late 350ci weighted flexplate/flywheel.When ordering this engine BluePrint Engines will also need you PROM and Service numbers from your vehicle.This engine was designed to run with all stock engine components such as throttle body, fuel pump etc.
Not for use in pollution controlled vehicles.
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