MasterCraft Prostar Series User Manual

ENGINE AND PROPELLER SPECIFICATIONS
6-2
Displacement ............................................................................................... 350 C.I.D. (5.7 litres)—350 horsepower
Bore ........................................................................................................................................................................................ 4.00"
Stroke .................................................................................................................................................................................... 3.48”
Compression Ratio.............................................................................................................................................................. 9.4:1
Compression Pressure ........................................................................................................................................ 180-220 PSI
Maximum Allowable Compression Variation............................................................. Highest to lowest within 75%
Maximum Allowable RPM at WOT .......................................................................................................... 4800-5200 RPM
Oil Pressure (Hot) ............................................................................................................................... 40 PSI at 2000 RPM
Propshaft Rotation ................................................................................................................................................................. LH
Fuel Requirement .............................................................................................................................. 89 Octane minimum
Fuel Pressure: Operating Pressure ........................................................................................................................ 35-45 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 ................................................................................................................................ Northstar LSI multi-coil
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 ...............................................................................................................................................AC MR43LTST
Recommended Plug Gap ................................................................................................................................................ 0.045"
Firing Order....................................................................................................................................................... 1-8-4-3-6-5-7-2
Minimum Battery Rating ............ 750 cold cranking amps for 30 sec at 0 degrees Fahrenheit or better
Oil Capacity.......................................................................... 4-5 quarts with filter change—verify with dipstick
Oil Type ................................................................................................................................................. SAE 15W40, CG-SJ4
Oil Filter Type ......................... 1 ½ to 2 qts with 1:1 transmission; 2 ½ to 3 qts with 1.5:1 transmission
Initial Timing................................ 10 degrees BTDC at 1000 RPM fixed; 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 Power Vortec
MCX 5.7L multi-port
EFI 350-cubic-inch
GM V-8 Engine

MasterCraft Prostar Series Specifications

General

Brand	MasterCraft
Model	Prostar Series
Category	Boat
Language	English