GM Small Block Compatible 400 c.i. Power Adder Engine - 511 Horsepower - Long Block

Overview:

This power adder engine is engineered to handle any type of forced induction. Whether you’re adding nitrous, a supercharger, or turbos, this long block has the strength and reliability to take the boost.

Description:

• Horsepower & Torque: 511 Horsepower / 480 FT. LBS. Torque
• Compression Ratio: 9.5:1
• Aluminum Heads
• Hydraulic Roller Cam
• Forged Steel Crank
• Forged Pistons

Block:

• BluePrint Engines High Strength Cast Iron Block
• Manufactured and Machined in the USA!
• 4-Bolt Main
• 4.125" Bore
• 1-Piece Rear Main Seal
• Mech Fuel Pump Provision: Yes
• Passenger Side Dipstick
• Drilled and Tapped for Clutch Linkage

Rotating Assembly:

• New BluePrint Forged Steel Crankshaft
• 3.750" Stroke
• 6.000" Forged Connecting Rods
• Forged Pistons
• Internal Front/ External Rear Engine Balance
• Dual Keyway Damper installed

Cylinder Heads:

• BluePrint Aluminum Cylinder Heads - HP8103
• 64cc Chamber
• 2.08" Intake / 1.60" Exhaust Valves
• 220cc Intake / 67cc Exhaust Runners

Cam Specs:

• Cam Type: Roller
• .555 Intake / .577 Exhaust Lift 
• 236 Intake / 248 Exhaust Duration
• @.050-113 Degree Lobe Separation
• 1.6 Roller Rockers

Ignition Timing:

• 10-16° Initial and Total Timing 32-34° at 3500 RPM

Also Includes:

• Valve Covers
• Oil Pan
• Timing Cover

Notes:

• NEW BluePrint block manufactured and machined in the USA!
• Not for EGR.
• This engine is designed to be capable of running power adders - turbo chargers, Nitrous oxide, superchargers, blowers etc. 
• Built with a Dual Keyway crankshaft. Balancer included.
• The performance aluminum cylinder heads on this engine feature a .500 raised port vs OEM.