This manual provides detailed instructions for operating Indmar Marine Engines.
This Operator's Manual provides instructions for the safe operation, starting procedures, and normal use of Indmar Marine Engines. It includes specific guidance for various engine series such as the 5.7L Carbureted, 5.7L Vortec 350, 6.0L Multi Port Fuel Injected, 7.0L, 8.1L, and 8.2L engines. The document also addresses safety precautions, including warnings about exhaust chemicals and the use of genuine parts for electrical and fuel systems.
| Number of Cylinders | V-8 |
|---|---|
| Displacement | 350 CID (5.7L) |
| Bore/Stroke | 4.0012 x 3.480 in. |
| Compression Ratio | 9.4:1 |
| Idle RPM in Neutral | 650 ±50 RPM |
| Operating Range at WOT | 4400-4800 RPM |
| Minimum Oil Pressure at Idle | 4 PSI |
| Minimum Hot Oil Pressure | 5 PSI |
| Minimum Oil Pressure at 2000 RPM | 18 PSI |
| Fuel Pump Pressure | 8 PSI Max |
| Electrical System | 12 Volt DC Negative (-) Ground |
| Minimum Battery Requirements | 650 cca/700 mca/120Ah |
| Firing Order | 1-8-4-3-6-5-7-2 |
| Spark Plug Type | AC 41-101 |
| Spark Plug Gap | 0.030 in. |
| Base Timing at 1000 RPM | 10° BTDC |
| Thermostat | 160°F (71°C) |
The manual specifies using gasoline but does not list specific octane ratings in the provided text.
Service is required at 10-20 hours, 50 hours, 100 hours, 300 hours/annually, and every 2 years.
The minimum oil pressure at idle is 4 PSI (41 kPa).
The firing order is 1-8-4-3-6-5-7-2.