4 bolt main 1pc rear seal block w/Passenger side dipstick only 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 crankshaftHypereutetic pistons Chevy heavy beam rods with 150,000 psi bolts Hastings Moly rings Balanced rotating assembly Melling high volume oil pump Roller camshaft Roller tip rockers Heavy duty roller timing set
Cast iron Vortec 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
Cam Type: Roller.510 Intake .520 Exhaust230 Intake / 236 Exhaust duration @ .050
110* Lobe separation angle
34 degrees total (at 3500 RPM)
Aluminum intake manifold New chrome 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.BluePrint Engines recommends a 2000- 2400 rpm stall converter.
*A bronze distributor gear is NOT recommended on this engine
Not for use in pollution controlled vehicles.
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