Timing for Mercruiser 470 is 8 BTDC at idle speed. Mercruiser Service Bulletin specifies 4 degrees BTDC, due to new gasoline formulation.
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34-36 degrees Sterndrives.com
the stock size is a 14.75 x 21 ptich
To determine if you have an internal or external resistor coil, you can visually inspect the ignition coil. An internal resistor coil will have the resistor built into the coil itself, making it more compact, while an external resistor coil will require a separate resistor component in the ignition circuit. Additionally, you can use a multimeter to measure the resistance; internal resistor coils typically have a higher primary resistance (around 1.5 to 3 ohms) compared to external resistor coils. Always refer to the vehicle's service manual for specific resistance values for accurate identification.
The MerCruiser 470 engine typically weighs around 600 to 650 pounds, depending on the specific configuration and components included. This weight includes the engine itself, along with the outdrive and any necessary accessories. Always consult the manufacturer's specifications for precise details regarding your specific engine model.
yellow-violet-brown
The drain plugs on a 470 MerCruiser engine typically use a 1/2-inch NPT (National Pipe Thread) size. It's essential to ensure that the plugs are properly sealed and in good condition to prevent leaks. Always refer to the specific maintenance manual for your engine model for the most accurate information.
it means 470 resistor and is used in many circuit boards.
The heater resistor coil is located on the blower motor on the 2006 T300 Kenworth.
Resistors are color coded to denote the value of the resistor as well as the multiplier. In your case a 470 ohm would be colored as Yellow Violet Brown corresponding to 4, 7 and a multiplier of 10^1.
helpful hint coil resistor condenser is usually located on the intake manifold or general proximity.