Description
Description:
- Horsepower & Torque: 491 Horsepower / 509 ft. lbs. Torque
- Compression Ratio: 10.4:1
- BluePrint Engines Aluminum Heads
- BluePrint Engines Hydraulic Roller Cam
- BluePrint Engines Forged Crank
- BluePrint Engines Forged Pistons
Block:
- BluePrint Engines High Strength Cast Iron Block
- Manufactured and Machined in the USA!
- Cylinders are Sonic Tested for Thickness
- Drilled and Tapped for Clutch Linkage
- Align Honed Main Bearing Bore
- Mech Fuel Pump Provision: Yes
- Passenger Side Dipstick
- 1-Piece Rear Main Seal
- 4-Bolt Main
- 4.000″ Bore
- Cylinders Honed on Computer-Controlled Machine to Within .0002 Straightness and Roundness
Rotating Assembly:
- BluePrint Forged Crankshaft
- 3.875 ” Stroke
- Forged I-beam 6.000″ Connecting Rods
- Forged Pistons
- Internally Balanced Front – Externally Balanced Rear
Cylinder Heads:
- BluePrint Aluminum Cylinder Heads – HP8103
- 64cc Chamber
- 2.08″ Intake / 1.60″ Exhaust Valves
- 220cc Intake / 67cc Exhaust Runners
Cam Specs:
- Hydraulic Roller
- .544 Intake / .555 Exhaust Lift
- 230 Intake / 236 Exhaust Duration
- @ .050, 110 Degree Lobe Separation
Ignition Timing:
- 34 Degrees Total at 3500 RPM
Also includes:
Notes:
- Not for use in pollution-controlled vehicles.
- This engine features a true 4-inch bore, which mathematically yields 389 CID with a 3.875-inch stroke.
- 93 octane or higher is recommended for this engine.
- The performance aluminum cylinder heads on this engine feature a .500 raised port vs OEM.
*A bronze distributor gear is NOT recommended on this engine
