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
ROTATING ASSEMBLY:
New cast steel crankshaft
Flat top hypereutetic pistons
Chevy heavy beam rods with 150,000 psi bolts
Hastings Moly rings
Balanced rotating assembly
Melling high volume oil pump
Flat tappet camshaft
Long slot, stamped steel rockers
Heavy duty double roller timing set
CYLINDER HEADS:
BluePrint aluminum
195cc
1.25 diameter valve springs
Hardened retainers and springs
2.02 swirl polished intake valves
1.60 swirl polished exhaust valves
Hardened push rods
A TON OF EXTRAS:
10 to 1 compression
New chrome valve covers
Brass freeze plugs
Dyno tested – and shipped with results
CRITICAL SPECS:
CAM:
.480 Int / .486 Exh & 229 Int / 230 Exh duration @ .050
HORSEPOWER:
420 @ 5700 rpm
TORQUE:
450 @ 4400 rpm
COMP RATIO:
10 to 1 - for this crate engine we recommend 91 octane fuel.
IGNITION TIMING:
34 degrees total (at 4000 RPM)
WARRANTY:
30 month / 50,000 mile
NOTES:
This engine requires a 400ci weighted harmonic balancer, and late 350ci weighted flexplate/flywheel.
BluePrint Engines recommends a 2000- 2400 rpm stall converter.
Picture shown with optional tall perimeter bolt valve covers. Standard engine ships with standard height, center bolt. Please call BluePrint Engines with questions.
