Owner`s manual

• Drainheatexchangersofrawwater.
 • Opencooledsystemswillhaveanoil/transmissionheatexchanger.
• Removeheatexchangerendcapsandallowdraining.
 • Closedcooledsystemswillhaveanoil/transmissionandengineheatexchanger.
  •Removeheatexchangerdrainplugsandallowdraining.
• Reinstallexhaustmanifolddrainplugs,engineblockdrainplugs,andheatexchanger
end caps/drain plugs after all the raw water has been drained. If any other components
contain raw water, such as a water heater, drain them now.
• Torqueknocksensorretainingnutto15lb-ft.
• Removethecoolantcaptoallowforanairbleed.
• Removetheexhaustheaderfeedhosestothethermostattoallowforanairbleed.
Removethe1¼”hosebetweentheengineandheatexchanger.Allowallofthecool-
ant to drain.
• Drainbothexhaustmanifoldsbyremovingtheendplugsonthebottomrail.
• Drainthecylinderblock:
• 5.7L:Removeknocksensorsonbothsidesofblock.
• For6.0L,6.2Land7.4Lapplications:Removedrainplugsfrombothsidesof
enginedrainhoses,drainfitting#6SS-partnumber94MV8-1476;removalof
drainplugswillrequirebothan11/16”and5/8”sizewrench.
• Re-assembleallhosesanddrainplugsonceallcoolanthasdrained.
• RefillcoolingsystemwithILMORantifreeze.Usepremixed50/50orusea50/50
mix of ILMOR antifreeze and distilled water. The cooling system will take between
5.8 gallons (22 L) to 6.8 gallons (26L) of coolant.
• Withthecoolantcapoff,cycletheenginespeedfromidleto2000rpmin10-second
intervals while engine temperature is below 104 F (40C). Refill the coolant reservoir
as needed.
• Installcoolantcap.
• Cycleenginespeedfromidleto3000rpmin30secondintervalsuntilthecoolanttem-
peraturereaches76C(169F).
• Shutofftheengine.
• Topoffcoolantreservoirasneeded.
ILMOR MV8 Owner’s Manual • Page 34
Coolant Draining
(Changing Coolant)
and Filling