GM 5.7L Pumpjack Engine Package

The Vortec 5.7L V-8 engine is part of GM’s small block V-8 series, one of the most successful engines in automotive history.


ENGINE SPECIFICATIONS
TYPE	5.7L V-8 Gen 1e Small-Block
Displacement	348 cid
EPA Certified	Available
Engine Orientation	Longitudinal
Compression Ration	9.4:1
Valve Configuation	Overhead valves (2 valves per cylinder)
Valve Lifters	Hydraulic roller
Bore & Stroke	101.60 x 88.39 mm
Main Bearing Cap	Cast iron GM232-M
Rear Main Seal	1 Piece
Intake Manifold	Single Plane
Fuel Type	LP & NG

PACKAGE SPECIFICATIONS
Shutdown Diagnostics	ST8 Murphy Panel
Parts Availability	Standard GM Parts
Lockable Battery Box	Standard
Safety Locout	Standard
12-Volt Alternator	Brushless
Coolant Heat Trace	Standard
Jackshaft Skid	Heavy Duty
Oil Level Visibility	Murphy Site Glass External
Sour Gas Compatable	Yes

HORSEPOWER
Propane	216 hp (161 kW) @ 4000 rpm
Natural Gas	196 hp (146 kW) @ 4000 rpm

TORQUE
Propane	308 lb-ft (418 Nm) @ 1400 rpm
Natural Gas	283 lb-ft (384 Nm) @ 1600 rpm

FUEL CONSUMPTION
Propane	BTU/hr- 84,500
	FT3/hr-33.8
	FT3/min-.54
Natural Gas	BTU/hr- 819,000 FT3/hr-780 FT3/min-12.48
Fuel consumption is based on 100% load at 1800 RPM

ENGINE CONSTRUCTION
Block	Cast iron GM232-M
Cylinder Heads
Intake Manifold	Aluminum
Crankshaft	Nodular iron
Camshaft	5150 steel billet
Connecting Rods
Pistons	Aluminum
Exhaust Seat	Industrial Grade Super Alloy
Intake Seat	Industrial Grade Super Alloy
Intake Valves
Exhausted Valves	Stellite/Inconel