Pecifications; Ength R Equirements; 550 Hp E Ngines - Marine Power 4.3 VORTEC MPI Owner's Manual

13.
Installation Instructions
Engine Battery Specifications
Model Minimum Required Rating
3.0-5.7L 325 CCA
5.7-6.0L 550 CCA
6.0-8.1L 650 CCA
8.1-9.0L 750 CCA
Battery Cable Length Requirements
Cable Length Cable Gauge
Up to 3.5 ft. 4
3.5 - 6.0 ft. 2
6.0 - 7.5 ft. 1
7.5 - 9.5 ft. 0
9.5 - 12 ft. 00
12 - 15 ft. 000
15 - 19 ft. 0000
Special Fuel Instructions for 6.2 550 HP
Engines
Fuel Supply: The fuel supply pick up tube, fuel lines,
and fittings shall be no smaller than 1/2" inside
diameter between the fuel tank and the Aero Motive
high-pressure fuel pump. The fuel pump must also have
the supplied serviceable 100 Micron filter installed on
the inlet side of the fuel pump.
When using an auxiliary engine such as an outboard
44
motor, never plumb or tee into the main engine fuel
system. The auxiliary engine shall have its own fuel
pick up tube and fuel filter/water separator from the
fuel tank. Plumbing into the main engine fuel supply
will cause damage to the engine and fuel pump system.
Fuel Pump Location: If the Aero Motive fuel pump
is relocated from its mounting location on the engine
it must be placed as close to the fuel tank as possi-
ble. The maximum distance from the fuel tank pick up
tube should be no more than 30". The fuel pump must
also be placed as low to the bottom of the fuel tank as
possible. Using the lowest point on the bottom of
the fuel tank, mount the fuel pump no more than 12"
above the bottom of the fuel tank. USCG REGULATIONS
require that the fuel pump should be within 12" of the
engine (excepting Airboats).
The Racor fuel/water separator should NEVER be
placed on the outlet side of the Aero Motive fuel pump.
The fuel filter/water separator should also be mounted
within 12" from the bottom of the fuel tank.
Hoses and Fittings: Use only USCG Approved fuel
lines. Make sure that the fuel line routing is not
touching any sharp edges. Fittings should be full flow
design and not restricted tight 90 degree elbows.
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