BluePrint Engines Small Block Chevy 350 C.I. 260 HP TBI Long Block Crate Engine

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.

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