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Ron Davis Dual Pass Radiator With Fans & Shroud 31 Long By 19 Tall With 1.5 Outlets On Right Side

Ron Davis Dual Pass Radiator  With Fans & Shroud 31 Long By 19 Tall With 1.5 Outlets On Right Side
    Quantity in Basket: None
    Part Number: rd1a311905
    Price: $1,057.00
    Sold As: 1 Radiator

     
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    Ron Davis aluminum radiators come with two fans.

    Testing for electrolysis in cooling systems

    A voltmeter capable of reading both AC and DC currents is required to be able to test cooling systems. The meter needs to read zero to the maximum voltage of the system being tested in tenths of a volt. The meter leads must be long enough to reach between the coolant and the groundside of the battery. An ohm function of a voltmeter is very helpful to pin point areas of resistance in an electrical system. Areas of resistance will cause an electrical current to ground through the coolant rather than the engineered electrical circuit.

    Procedure:

    Attach the proper meter lead to the groundside of the battery, negative-to-negative or positive-to-positive.

    Install the second lead in the coolant touching the coolant only.

    Read the DC and AC voltage with all systems off. If a block heater is present, also take a reading with the heater turned on. If an automatic battery charger is present, as a standby system, also take a reading with this system running.

    Read the DC and AC voltage with the electrical starter engaged.

    Read the DC and the AC voltage with the engine running and all systems turned on: lights, coolers, fans, heaters, air conditioning, cell phone, two-way radio, including the phone and radio on both standby and transmit.

    The above procedure will test a complete system except for an electrical current, which can be generated by the rear end transmission. This is particularly true with air bag suspensions, rubber pad suspensions and rubber-mounted transmissions. Any current generated will travel up to the drive shaft and ground through the engine coolant. Grounding rear ends and transmissions is strongly recommended.

    Voltage of zero to .3 is normal in a coolant of cast iron engine. Such an engine will be destroyed with time by .5 volts, and engine manufactures are reporting .15 volts will destroy an aluminum engine.

    The current will be AC if the problem is due to static electricity.

    If the coolant shows an electrical problem with all the equipment turned on; turn off one system at a time until you finally turn off the system that stops the electrical current. When the current stops, this will indicate the electrical system causing the problem.

    Be particularly careful of starters. They can cause as much damage to a cooling system as a direct connection to an arc welder. This is due to the amperage present.

    Always change the coolant if a current is detected. The electrical current will destroy the protecting chemicals in a properly inhibited coolant.

    The following are failures that are not manufacturer defects and therefore not covered under warranty.

    Copyright 2004 Ron Davis Racing Products

    Improper Flush - Cooling systems require a thorough flush of the radiator, engine, overflow tank, hoses and heater core. Failure to do so will lead to mixing coolants and contaminates and creating a deadly cocktail for the cooling system.

    Corrosion - The correct coolant and distilled water mixture prescribed by the coolant manufacture of choice must be maintained. Water with high trace elements of minerals will create problems for aluminum radiators not normally seen in copper radiators.

    Electrolysis - Electrolysis is the systematic removal of the protective layer on the inside of the radiator tubes due to improper grounding. Electrical grounding problems can stem from poor installation of aftermarket accessories.



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