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HP & Torque: 260 HP / 342 FT LBS
Gain of up to 50 HP and 42 Ft lbs vs Factory.
Compression Ratio: 9.1:1
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
New valve covers
Oil pan
Timing cover
Harmonic Balancer
Dyno test results shipped with engine
Warranty:
30 month / 50,000 mile
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, replacement longblock. 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 stock components, such as torque converter and exhaust.
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