Description
Description:
- Horsepower & Torque: 260 Horsepower / 342 FT LBS
- 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 Steel Crankshaft
- Hypereutectic Pistons
Block:
- NEW BluePrint 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:
- Steel Crankshaft
- 3.480″ Stroke
- Forged 5.700″ Connecting Rods
- Hypereutectic Pistons
- Internal Front / External Rear Engine Balance
Cylinder Heads:
- 1987-1995 GM Iron Cylinder Heads
- 64cc Chamber
- 1.94″ Intake / 1.50″ Exhaust Valves
Cam Specs:
- Cam Type: Roller
- .447 Intake / .459 Exhaust
- 201 Intake / 208 Exhaust Duration
- @ .050-117 Degree Lobe Separation
Ignition Timing:
- Controlled by OEM Computer
Also Includes:
- New Valve Covers
- Oil Pan
- Timing Cover
- Harmonic Balancer
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 retaining OEM components, such as torque converter and exhaust.