Suzuki H27A 2.7L V6 Remanufactured Engine – 2006-2009

Description

Drive loaded 2.7-liter commercial utility chassis up steep mountain transport corridors under 180 PSI cranking compression force without detonation or valvetrain float during fleet transit through the Suzuki H27A 2.7L Remanufactured Engine. Built for 2006 to 2009 Grand Vitara commercial models, this 24-valve DOHC V6 powerplant delivers dependable stamina across demanding four-wheel-drive regional distribution routes.

Die-cast aluminum block architecture integrates centrifugally cast iron dry sleeves honed to an Ra 25 micro-inch deck surface finish. A precision-balanced forged steel crankshaft rotates within line-honed main bearing saddles, driving forged steel connecting rods and hypereutectic pistons with graphite skirt coatings. Sump capacity measures 5.5 quarts in a cast aluminum oil pan, while high-velocity oil passages protect quad camshafts across an overall dry engine mass of 375 lbs.

Key Features of Suzuki H27A

Fleet operators buy Suzuki H27A remanufactured engine packages to eliminate chronic vehicle downtime across challenging regional routes. Precision line-honed journals minimize internal drag to optimize sustained highway pulling power under full vehicle gross loads.

• Double overhead camshafts per cylinder bank operate 24 valves for broad torque delivery
• Multi-stage timing chain configuration utilizes hydraulic tensioners to eliminate valvetrain harmonic whip
• Multi-layer steel cylinder head gaskets maintain combustion seals against continuous thermal cycles
• Plateau diamond honed cylinder bores eliminate ring blow-by and stabilize oil retention
• High-flow internal trochoid oil pump provides 55 PSI cruising lubrication to protected bearings
• Induction-hardened valve seat inserts resist wear under prolonged continuous fleet operation
• Suzuki H27A long block units pass rigid non-destructive ultrasonic flaw testing

Dynamic Torque Thermal Boundaries

This V6 engine outputs 185 horsepower at 6000 RPM alongside 184 lb-ft continuous torque at 4000 RPM using a 9.5:1 compression ratio. Dynamic cylinder cranking compression tests between 175 and 185 PSI across all six cylinders. Normal coolant operating temperatures hold between 185°F and 205°F, backed by 18 PSI hot idle oil pressure and 55 PSI cruising pressure. Radiator thermal rejection capacity measures 3100 BTU per minute under Severe Commercial Fleet duty cycle standards.

Driveline Crankshaft Interface Parameters

The rear crankshaft flange uses a six-bolt flywheel mounting pattern with an engineered 0.826-inch pilot counterbore diameter. Front crankshaft snout measures 1.181 inches with a machined Woodruff keyway slot for timing sprocket retention. Dial indicators measure crankshaft axial thrust endplay between 0.003 and 0.007 inches across all finished builds.

Pre-Lube Guidelines Servicing Limits

Technicians must prime internal engine oil passages with an external pressure tank before turning the ignition key to protect fresh bearing surfaces from dry friction. Conduct a twenty-minute cam run-in procedure at 2000 RPM using high-zinc break-in lubricant. This engine is not engineered for aftermarket turbochargers, nitrous systems, or trailer towing weights exceeding vehicle chassis ratings.

• Inspect fluid reservoirs and accessory belts each shift
• Change motor oil and replace spin-on filter every 4500 miles
• Inspect timing chain tensioner and guides every twelve months

Fleet Guarantee Package Manifest

Supported by our 3-Year 100000-Mile commercial fleet warranty for verified transport operations. The heavy wooden container holds the remanufactured long block engine, high-capacity oil pump, complete engine install gasket kit, spark plug tube seals, and a certified dynamometer qualification inspection report.