Specifications
2005 MASTERCRAFT OWNERS MANUAL–PA G E 5-3
MasterCraft
Power
Cadillac LQ-9 HO
multi-port EFI
6.0 Liter
GM V-8 Engine
MasterCraft
Power
Vortec L18
multi-port EFI
496-cubic-inch
GM V-8 Engine
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 P23
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
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 ............................................................................ 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 15W-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