ENGINE AND PROPELLER SPECIFICATIONS
6-3
Displacement ................................................................... 279 C.I.D. (4.6 litres)—320 horsepower at 6000 RPM
Torque ................................................................................................................................................ 318-lb-ft @ 4500 RPM
Bore ......................................................................................................................................................................... 3.66"/93mm
Stroke .................................................................................................................................................................... 3.31"/84 mm
Camshafts ............................................................................................................................................ DOHC (4 valves/cyl)
Intake Valves ............................................................................................................................................... 16 (1.30"/33 mm)
Valve Liters ................................................................................................................................................. 16 (1.14"/29 mm)
Cylinder Head Material ............................................................................................................ Direct Acting Hydraulic
Block Material ............................................................................................ Aluminum (Die Cast) w/cast iron liners
Combustion Chamber Volume .................................................................................................................................... 51.8 cc
Maximum Allowable Compression Variation ................................................................ Highest to lowest witin 75%
Maximum Allowable RPM at WOT .......................................................................................................... 5800-6200 RPM
Oil Pressure (Hot) ............................................................................................................................... 35 PSI at 2000 RPM
Fuel Requirement ........................................................................................... 92 Octane (R+M)/2 (RFG acceptable)
Fuel Pressure: Operating Pressure ........................................................................................................................ 43-53 PSI
Fuel Pump Volume .............................................................................................................................. 1 pint in 20 seconds
Type of Fuel Induction ...................................................... Marine Electronic Fuel Injection Phased Port Type
Electronic Control Module ............. Delco Electronics Waterproof Marine Controller (MEFI 3/CEFI 3)
Ignition System .......................................................................................................................... Northstar Multi-Coil LSI
Alternator Output Rating .............................................................................................................. 51 amps at 2200 RPM
Thermostat............................................................................................................................................................ 160 degrees
Spark Plug Type ........................................................................................................................................................ AC 41-950
Recommended Plug Gap ................................................................................................................................................ 0.050"
Firing Order....................................................................................................................................................... 1-2-7-3-4-5-6-8
Minimum Battery Rating ............ 750 cold cranking amps for 30 sec at 0 degrees Fahrenheit or better
Oil Capacity........................................... 7.5 quarts with filter change (8.5 w/cooler)—verify with dipstick
Oil Type ................................................................................................................................................ SAE 15W-40, CG-SJ4
Oil Filter Type ..................................................................................................................................................................... PF 58
Transmission Fluid Capacity ....................... 2 ½ to 3 qts with 1.5:1 transmission or V-drive transmission
Initial Timing...................................................... Factory-set and computer-controlled—not field adjustable
Total Ignition Advance .......................................................................... Varies as a function of input information
Cooling System—Engine .................... Full Fresh Water (closed) 12 qt. 50/50 Propylene Glycol & Water
Cooling System—Engine Oil/Transmission ........................................................... Raw Water—Full Flow Tandem
Pump Capacity—Raw ................................................................................................................................................. 25 GPM
Pump Capacity—Circulating .................................................................................................................................. 104 GPM
Propshaft Rotation ................................................................................................................................................................. LH
Cylinder Numbering Front to Rear .............................................................. Left Bank 2-4-6-8; Right bank 1-3-5-7
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