Description:

• Horsepower & Torque: 260 Horsepower / 342 FT. LBS. Torque
• Gain of up to 50 Horsepower and 42 Ft lbs. vs Factory.
• Compression Ratio: 9.2:1
• 1987-1995 GM Iron Heads
• Hydraulic Roller Cam
• Cast Crankshaft
• Hypereutectic Pistons

Block:

• BluePrint Engines High Strength Cast Iron Block
• 4-Bolt Main
• 4.000″ Bore
• 1-Piece Rear Main Seal
• Mech Fuel Pump Provision: Yes
• Passenger Side Dipstick
• Drilled and Tapped for Clutch Linkage

Rotating Assembly:

• Cast Crankshaft
• 3.480″ Stroke
• Forged 5.700″ Connecting Rods
• Hypereutectic Pistons
• Internally Balanced Front – Externally Balanced Rear

Cylinder Heads:

• 1987-1995 GM Iron Cylinder Heads
• 64cc Chamber
• 1.94″ Intake / 1.50″ Exhaust Valves

Cam Specs:

• Roller
• .447 Intake / .459 Exhaust Lift
• 201 Intake / 208 Exhaust Duration
• @ .050-117 Degree Lobe Separation

Ignition Timing:

• Controlled by OEM Computer

Also Includes:

• New Valve Covers
• Rear Sump Oil Pan
• Timing Cover
• Harmonic Balancer

Recommended Break in Oil:

Recommended Service Oil:

Recommended Oil Filter:

Notes:

• Not for use in pollution-controlled vehicles.
• Tested in a factory equipped 1987-1995 OEM 5.7 truck with factory torque converter, fueling system, and ECU, while using 87 octane fuel.
• Engine Designed specifically to install in OEM 87-95 TBI trucks without any tuning or fuel system upgrades required.
• Recommended spark plugs are ACDELCO CR43TS with .035″ gap
• Designed as increased horsepower, factory style long block. Customer to re-use existing intake manifold, ecu, and fuel system from 87-95 350 truck engine. Excellent upgrade for an 87-95 truck, gaining Roller cam, 4 bolt main, and horsepower, otherwise retainingOEM components, such as torque converter and exhaust.