NOTE:
Pictures of Crate Engines are
for reference only, engine
componenets & accessories
are subject to change by
manufacture without notice
based on availability of parts
at time of
assembly.
Engine
Features
-
HP & Torque: 420 HP / 440
FT LBS
- Compression
Ratio: 10.0:1
- Aluminum
Heads
- Roller
Cam
- Cast Steel
Crank
- Hypereutectic
Pistons
BLOCK:
-
Hand picked seasoned
block
- 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
- 4-Bolt
Main
- 4.000" Bored
.040" Over
- 1-Piece
Rear Main Seal
- Mech
fuel pump provision:
Yes
- Passenger Side
Dipstick
- Drilled and
tapped for clutch
linkage
ROTATING
ASSEMBLY:
-
New BluePrint Cast steel
crankshaft
- 3.750"
Stroke
- OEM type 5.700"
connecting rods w/ 150,000 psi
bolts
- Hypereutectic
pistons
- External
Front/ External
Rear
CYLINDER
HEADS:
-
BluePrint Aluminum Cylinder
Heads - H8002K
- 64cc
chamber
- 2.02"
intake/1.60" exhaust
valves
- 195cc
intake/75cc exhaust
runners
CAM
SPECS:
-
Roller Cam
- .495 Intake
/ .502 Exhaust
- 220
Intake / 224 Exhaust
Duration
- @
.050
- 114*
LSA
IGNITION
TIMING:
- 34
degrees total at 3500
RPM
ALSO
INCLUDES:
-
New chrome valve
covers
- Brass freeze
plugs
- Dyno test
results shipped with
engine
NOTES:
-
This engine requires a 400ci
weighted harmonic balancer,
and late 350ci weighted
flexplate/flywheel.
-
BluePrint Engines recommends a
2000- 2400 rpm stall
converter.
- Recommended
spark plugs are Champion 792
with .045"" gap
- Not
for use in pollution
controlled vehicles.