SECTION 7 ILMOR MV8 OWNER’S MANUAL
7-12 © 5/2013 Ilmor Marine, LLC, Version 1.0
FILL THE ENGINE COOLANT
Use a 50/50 mix of 5-year extended warranty propylene glycol coolant and
water. e cooling system will take between 5 gal (19 L) and 7 gal (26 L) of
coolant.
1. With the coolant cap o, cycle the engine speed from idle to 2,000 rpm
in 10-second intervals while engine temperature is below 104°F (40°C).
Rell the coolant reservoir as needed.
2. Install coolant cap.
3. In NEUTRAL, cycle engine speed from idle to 3,000 rpm in 30-second
intervals until the coolant temperature reaches 169°F (76°C).
4. Shut o the engine.
5. Top o coolant reservoir as needed.
6. Cycle engine speed from idle to 3,000 rpm in 30-second intervals until
the coolant temperature reaches 169°F (76°C).
7. Top o coolant reservoir as needed.
8. Check coolant level aer rst complete warm-up and cool-down cycle.
Additional coolant may need to be added.
FLUSH THE COOLERS
1. Drain heat exchangers of raw water.
• Open cooled systems will have a transmission heat exchanger, an
oil heat exchanger, or both. Remove heat exchanger drain plugs and
allow draining.
• Closed cooled systems will have an engine heat exchanger, as well
as a transmission heat exchanger, an oil heat exchanger, or both.
Remove heat exchanger drain plugs and allow draining.
2. Flush fresh water through the coolers from the raw water ttings. An
adapter may be needed. It is better to ush water from one end of the
cooler and then from the other end. is should ush out any foreign
particulates.
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