Specifications

Displacement ....................... 350 C.I.D. (5.7 litres)—310 horsepower
Bore ............................................................................................................................. 4.00"
Stroke ........................................................................................................................ 3.48”
Compression Ratio ............................................................................................ 9.4:1
Compression Pressure ..................................................... 100 PSI minimum
Maximum Allowable Compression Variation .................................................
Highest to lowest within 70%
Maximum Allowable RPM at WOT ............................. 4600-5000 RPM
Oil Pressure (Hot) ........................................................ 20 PSI at 2000 RPM
Propshaft Rotation .................................................................................. Left-hand
Fuel Requirement ........................................................... 89 Octane minimum
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 .................................................................................... Distributor HEI
Electronic Control Module ................... Delco Electronics Waterproof
Marine Controller (MEFI 5)
Alternator Output Rating .................................. 70 amps at 2000 RPM
Thermostat ......................................................................................... 160 degrees
Spark Plug Type ....................................................................................... AC41-932
Recommended Plug Gap .......................................................................... 0.060"
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 ...................................................................................... PF25 or PZ3
Transmission Fluid Capacity ............................. 1 ½ to 2 qts Dextron 3
transmission fluid with 1:1 transmission; 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 ............................ 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 ......................................................................
Right bank 1-3-5-7; left bank 2-4-6-8
MasterCraft Power Vortec
RTP-1 5.7L multi-port EFI
350-cubic-inch GM V-8 Engine
Displacement ........................ 350 C.I.D. (5.7 litres)—350 horsepower
Bore .............................................................................................................................. 4.00"
Stroke ......................................................................................................................... 3.48”
Compression Ratio ............................................................................................. 9.4:1
Compression Pressure ...................................................... 100 PSI minimum
Maximum Allowable Compression Variation ..................................................
Highest to lowest within 70%
Maximum Allowable RPM at WOT ............................... 4800-5200 RPM
Oil Pressure (Hot) .......................................................... 20 PSI at 2000 RPM
Propshaft Rotation ................................................................................... Left-hand
Fuel Requirement ............................................................ 89 Octane minimum
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 ..................................................................................... Distributor HEI
Electronic Control Module .................... Delco Electronics Waterproof
Marine Controller (MEFI 5)
Alternator Output Rating ................................... 90 amps at 2000 RPM
Thermostat ........................................................................................... 160 degrees
Spark Plug Type ........................................................................................ AC41-932
Recommended Plug Gap ........................................................................... 0.060"
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 ........................................................................................ PF25 or PZ3
Transmission Fluid Capacity .............................. 1 ½ to 2 qts Dextron 3
transmission fluid with 1:1 transmission; 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 .............................. 10 degrees BTDC at 1000 RPM fixed;
factory set
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
MCX 5.7L multi-port EFI
350-cubic-inch GM V-8 Engine
2006 MasterCraft Owners Manual–Page 4-5