GM Vortec 4.3L Marine Engine (Mercruiser 1999)

4.3 L/262 c.i. Vortec Marine Engine. This engine is rebuilt with new engine internals, gaskets and hardware. The engine block has been honed, decked and blueprinted. This engine is equipped with plastic composite valve covers and timing cover.

• Type: 4.3L V-6 (Gen 1e)

• Displacement: 262 cid (4.3L cc)

• Engine Orientation: Longitudinal

• Compression Ratio: 9.4:1

• Valve Configuration: Overhead Valves (2 valves per cylinder)

• Valve Lifters: Hydraulic Roller

• Firing Order: 1-6-5-4-3-2

• Bore x Stroke: 101.60 x 88.39 mm

• Bore Center: 111.76 mm

• Bore Area: 486.44 cm2

• Fuel System: N/A (L35) or Port Fuel Injection with Electronic Throttle Body Unit (LG3)

• Fuel Type: Regular Unleaded

• Horsepower: 226 hp (169 kW) @ 4800 rpm

• Torque: 268 lb-ft (363 Nm) @ 4000 rpm

• Fuel Shutoff: OEM Defined

• Engine Mass: 707 lbs. (321 kg)
  

Parts Used

Fel conversion set

Fel 4.3 liter head set Marine Vortec ea

m77 rod bearing set pack of 6 ea

m77 main bearing set

m77 cam bearing set

Mel sbc oil pump

Clo 3-piece timing set

Kbp sbc f/t cast piston set 4.040 bore -6.0 each

Piston rings set to 4.020 5/64 5/64 3/16 each

Pio 350 Chevy freeze plug kit - brass each

Com Chevy v6 hydraulic roller lifter set each

Labour:

Lab strip motor with no accessories and hot

Lab magna-flux block - prep block & tap threads & inspection & mic the housing bores

Lab re surface deck face v6

Lab hone per cylinder over-size (ck10)

Lab install cam bearing car(gas)

Lab install frost plugs car (gas)

Lab wash block typhoons

Lab balance 6 cylinder crankshaft assembly

Lab general labour done by machine shop -fix oil pan

Lab assembly production 6 cylinder long bloc

Lab resize big end of connecting rod car

Lab reconditioning 2 valve with 3 cylinders

Our remanufactured engines are rebuilt to OEM specifications and covered by our R&B warranty. For more information see warranty policy.