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 .................................................................. 4800-5200 RPM

Oil Pressure (Hot) ..................................................................................40 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 (M.E.F.I. 4)

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

2005 MASTERCRAFT OWNERS MANUAL–PA G E 5-2

MasterCraft

Power

Vo r t e c R TP-1 5.7L

Displacement .................................................. 350 C.I.D. (5.7 litres)—350 horsepower