Specifications

Displacement ......................................................................................................................
364 C.I.D. (6.01 litres)–375 horsepower at 5200 RPM
Bore ......................................................................................................................... 3.898”
Stroke ..................................................................................................................... 3.623”
Compression Ratio .............................................................................................. 10:1
Cylinder Head Material .......................................................................... Aluminum
Block Material ............................................................................................... Cast Iron
Compression Pressure ........................................................ 100 PSI minimum
Maximum Allowable Compression Variation ...................................................
Highest to lowest within 70%
RPM Range at WOT .............................................................. 5200-5600 RPM
Oil Pressure (Hot) ............................................................ 20 PSI at 2000 RPM
Propshaft Rotation .................................................................................... Left-hand
Fuel Requirement ..................... 93 Octane (R+M)/2 (RFG acceptable)
Fuel Pressure: Operating Pressure ................................................ 53-58 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 4)
Ignition System .................................................................................. Coil near plug
Alternator Output Rating ..................................... 90 amps at 2000 RPM
Thermostat ........................................................................................... 160 degrees
Spark Plug Type ........................................................................................ AC41-985
Recommended Plug Gap ........................................................................... 0.050”
Firing Order ........................................................................................ 1-8-7-2-6-5-4-3
Minimum Battery Rating ............ 750 cold cranking amps for 30 sec
at 0 degrees Fahrenheit or better
Oil Capacity .............. 5.5 quarts with filter change–verify with dipstick
Oil Type ................................................................... SAE 15W-40, SJ, CG4, CH4
Oil Filter Type ................................................................................ AC PF 25 or PZ3
Transmission Fluid Capacity ............ 2 ½ to 3 qts 15W40 motor oil
with 1.5:1 transmission; 4.5 qts. SAE 15W40
motor oil with 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 Prypylene Glycol & Water
Cooling System–Engine Oil/Transmission .......................................................
Raw Water–Full Flow Tandem
MasterCraft Power
Cadillac LQ-9 multi-port
EFI 6.0 Liter GM V-8 Engine
Displacement .................. 496 C.I.D. (8.1 Litres)—425 horsepower
Bore .......................................................................................................................... 4.25"
Stroke ..................................................................................................................... 4.37”
Compression Ratio ......................................................................................... 9.1:1
Compression Pressure .................................................. 100 PSI minimum
Maximum Allowable Compression Variation ..............................................
Highest to lowest within 70%
Maximum Allowable RPM at WOT .......................... 5000-5400 RPM
Oil Pressure (Hot) .............................. 10 PSI minimum at 2000 RPM
Propshaft Rotation ............................................................................... Left-hand
Fuel Requirement ............................................................................... 89 Octane
Fuel Pressure: Operating Pressure ......................................... 53-58 PSI
Fuel Pump Volume ....................................................... 1 pint in 20 seconds
Type of Fuel Induction................................................................................................
Marine Electronic Fuel Injection Direct Port Type
Electrical System ......................................................................................... 12 Volt
Ignition Type ............................................. Distributorless–Coil Near Plug
Electronic Control Module ................ Delco Electronics Waterproof
Marine Controller (M.E.F.I. 4)
Alternator Output Rating ............................... 90 amps at 2000 RPM
Thermostat ...................................................................................... 160 degrees
Spark Plug Type .................................................................................. AC 41-983
Recommended Plug Gap ....................................................................... 0.050"
Firing Order .................................................................................... 1-8-7-2-6-5-4-3
Minimum Battery Rating ..... 750 cold cranking amps for 30 sec
at 0 degrees Fahrenheit or better
Oil Capacity ......... 8 quarts with filter change—verify with dipstick
Oil Type .......................................................................................... SAE 40, CG-SJ4
Oil Filter Type .................................................................................................. PF454
Transmission Fluid Capacity . 4.5 quarts SAE 15W40 Motor Oil
Initial Timing .....................................................................................................................
10 degrees BTDC at 1000 fixed RPM; Factory Set
—Not Field Adjustable
Total Ignition Advance ...............................................................................................
Varies as a function of input information
Cylinder Numbering Front to Rear ...................................................................
Right Bank 1-3-5-7; left bank 2-4-6-8
MasterCraft Power Vortec
L-18 multi-port EFI 496
cubic-inch GM V-8 Engine
2006 MasterCraft Owners Manual–Page 4-6