Chevy LAP Ecotec 2.2L L4 Remanufactured Engine – 2009-2011

Description

Excessive oil consumption past piston rings and exhaust cam phaser lag under 150 lb-ft sustained cargo hauling compromise commercial route schedules until precision diamond plateau cylinder honing stabilizes compression within this Chevy LAP 2.2L Remanufactured Engine. Built for 2009 to 2011 commercial panel delivery vans, this Ecotec platform features variable valve timing on both camshafts for maximum stop-and-go efficiency.

Constructed with an A356-T6 cast aluminum deep-skirt block, this engine features centrifugal cast iron cylinder liners. The cylinder block deck receives precision milling to an Ra 25 micro-inch surface finish. Internals include a forged steel crankshaft, structural ladder frame main caps, powdered metal connecting rods, and flat-top hypereutectic pistons. Dry weight equals 305 lbs with a five-quart structural oil pan capacity.

Key Features of Chevy LAP

Fleet operators buy Chevy LAP long block engine units to minimize maintenance costs on regional transport vehicles. Detailed machine shop inspection procedures verify all bearing clearances before final crating for transport to maintenance hubs.

• Dual independent cam phasing optimizes intake charge filling and exhaust scavenging across varied urban speeds.
• Structural aluminum ladder frame ties main bearing caps together to stop block distortion under load.
• Multi-layer steel cylinder head gaskets withstand severe thermal cycling without coolant leakage.
• Chevy LAP high-output gerotor oil pump maintains 50 PSI pressure to variable valve timing sprockets.
• Centrifugal cast iron cylinder sleeves resist wall scuffing during demanding cold-start delivery cycles.
• Hydraulic roller finger followers reduce valvetrain friction to maximize commercial fuel economy.
• Individual oil squirt nozzles cool the underside of each piston crown to prevent thermal detonation.
• Electronic throttle interface coordinates with vehicle powertrain controls for smooth acceleration response.

Variable Phasing Dynamic Pressure Metrics

Normal operating oil pressure maintains 22 PSI at hot idle and 45 to 60 PSI at 2,500 RPM cruise. Engine coolant temperature regulates between 190°F and 205°F through standard thermostatic flow. Power output measures 155 continuous horsepower at 6,100 RPM, providing 150 lb-ft torque at 4,800 RPM. A 10.0:1 compression ratio yields 180 to 195 PSI cranking compression. Heat rejection across radiator circuits reaches 3,250 BTU/min under Severe Commercial Fleet duty cycles across heavy regional freight corridors.

Panel Van Crankshaft Interface Specs

The rear crankshaft flange incorporates a 6-bolt flexplate bolt pattern on a standard circular pitch. Front snout measures 1.181 inches with standard keyways to secure front harmonic dampers. Dial indicators gauge crankshaft thrust endplay between 0.003 and 0.007 inches. Pilot bore fits commercial transverse transaxle torque converters without modification.

Variable Cam Priming Maintenance Guidelines

Use a pressure priming canister to charge the main oil gallery and dual cam phasers before initial ignition. Fill the engine with approved 5W-30 synthetic blend oil for initial bearing film protection. Not engineered for marine salt water use, aftermarket turbocharger systems exceeding 6 PSI boost, or vehicles exceeding factory gross vehicle weight limits.

• Inspect external oil pan seals and cooling fluid levels each shift.
• Check front accessory drive belt alignment every 50 operating hours.
• Change crankcase motor oil and spin-on lubricant filter every 4,000 miles.

Commercial Panel Van Warranty Manifest

Backed by our 3-Year / 100,000-Mile commercial fleet warranty against defects in material and remanufacturing craftsmanship. Shipped in a heavy-duty container containing the remanufactured long block engine, high-capacity oil pump, pickup tube, complete installation gasket set, pre-lube instructions, and dyno inspection sheets.