Coolant additive question...
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Posting Guru
Joined: Sep 2010
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From: The Woodlands, TX
Coolant additive question...
I'm at the dealer right now... Nitrates are low, their adding the Motorcraft coolant additive... Question is: how much additive? Tech says 4 oz per gallon of coolant, so on a 6.4, it's 50/50 mix, 4 gallon capacity, so 8 oz? Bottle says 4 oz per gallon of system capacity... But it also says "unless engine specs call out differently." do these engines require a different amount of additive?
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Joined: Apr 2008
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From: Green Lane, Pa.
This is the formula depending on nitrite level.
1 pint/per 4 gallon 0-200 nitrite level
2 pints/per 20 gallon 500 nitrite level
1 pint/per 20 gallon 800 nitrite level
the ideal nitrite level is 1200
when nitrite level reaches 4000 it's time to flush cooling system.
1 pint/per 4 gallon 0-200 nitrite level
2 pints/per 20 gallon 500 nitrite level
1 pint/per 20 gallon 800 nitrite level
the ideal nitrite level is 1200
when nitrite level reaches 4000 it's time to flush cooling system.
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Posting Guru
Joined: Sep 2010
Posts: 2,213
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From: The Woodlands, TX
The engine coolant capacity is only 24L... Plus radiator capacity is Probobly around 30L? Not gallons?
Posting Guru
Joined: Apr 2008
Posts: 2,392
Likes: 1
From: Green Lane, Pa.
Actually it's what the test strip shows in nitrite levels that will determine as far as adding or flushing.
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