MasterCraft Prostar Series User Manual

ENGINE AND PROPELLER SPECIFICATIONS
6-4
MasterCraft Power Vortec
L18 HO 8.1L EFI
496-cubic-inch 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 ........................................................................................................................................ 180-200 PSI
Maximum Allowable Compression Variation ............................................................. Highest to lowest within 75%
Maximum Allowable RPM at WOT ..................................................................................................................... 5400 RPM
Oil Pressure (Hot) ......................................................................................................... 10 PSI minimum at 2000 RPM
Propshaft Rotation ................................................................................................................................................................. LH
Fuel Requirement .................................................................................................................................................... 89 Octane
Fuel Pressure: Operating Pressure .................................................................................................................................. TBD
Fuel Pump Volume ............................................................................................................................................................... TBD
Type of Fuel Induction ........................................................ Marine Electronic Fuel Injection Direct Port Type
Electrical System .............................................................................................................................................................. 12 Volt
Ignition Type ............................................................................................................................... Northstar Multi-Coil LSI
Electronic Control Module ........................ Delco Electronics Waterproof Marine Controller (M.E.F.I. 4)
Alternator Output Rating .............................................................................................................. 70 amps at 2000 RPM
Thermostat............................................................................................................................................................ 160 degrees
Spark Plug Type .......................................................................................................................................... Denso TJ14R-P15
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 quarts with V-drive transmission;
................................................................................................. 2 ½ to 3 quarts with 1.5:1 transmission
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 .............................................................. Left Bank 1-3-5-7; Right bank 2-4-6-8

MasterCraft Prostar Series Specifications

General

Brand	MasterCraft
Model	Prostar Series
Category	Boat
Language	English