BluePrint Engines 383CI Stroker Crate Engine for 1996-2000 GM Vortec Truck/SUV
No ECU Tuning Required, Dyno Tested Longblock
+47 Rear Wheel Horsepower Increase over Stock
+ 55 Rear Wheel ft/lbs Torque Increase over Stock
Aluminum Heads, Hydraulic Roller Cam, Cast Steel Crank, and Hypereutectic Pistons
Compression Ratio: 10:1
BLOCK:
NEW BluePrint Cast Iron Block
Manufactured and Machined in the USA!
4-Bolt Main
1-Piece Rear Main Seal
Mech fuel pump provision: Yes
Passenger Side Dipstick
Drilled and tapped for clutch linkage

ROTATING ASSEMBLY:
New BluePrint Steel crankshaft
3.750″ Stroke
OEM type 5.700″ connecting rods w/ 150,000 psi bolts
Hypereutectic pistons
Externally Balanced Front/ Externally Balanced Rear

CYLINDER HEADS:
BluePrint Aluminum Cylinder Heads – H8002K
64cc chamber
2.02″ intake/1.60″ exhaust valves
195cc intake/75cc exhaust runners

CAM SPECS:
Cam Type: Roller
.477 Intake .471 Exhaust
202 Intake / 212 Exhaust duration
@ .050 – 115 degree lobe separation

IGNITION TIMING:
Computer Controlled

WARRANTY:
30 month / 50,000 mile