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Old 07-21-2011, 05:57 AM   #1
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I know this question might seem like a "You-should-know" kind of question but I have misplaced the specifications manual. Does anyone know how much coolant a 454 should take? It overheated last week because I threw the belt. I've put 2 gallons of anti-freeze in her so far and that is after putting 3 gallons of water. So far I have no signs of it being full and no leaks. I know it's a big motor but...geez!

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Old 07-21-2011, 07:16 AM   #2
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first, water and antifreeze should be mixed 50/50 before putting in radiator

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Old 07-21-2011, 09:24 AM   #3
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Originally Posted by 56corvette
first, water and antifreeze should be mixed 50/50 before putting in radiator
I know. The first 3 gallons of water were just to get me by when it broke down.
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Old 07-21-2011, 03:33 PM   #4
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My chassis manual says 22.5 quarts; 5 1/2 gallons of 50/50 coolant.
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Old 07-22-2011, 06:48 AM   #5
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Yup, about 22 quarts for mine as well.
TT = 2007 Jayco Jay Flight 27bh TV = 2006 F-350 CCLB DRW 6.0
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Old 07-22-2011, 06:54 AM   #6
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In his case I can't see how it matters much if it is mixed before or after you put the water / coolant in the radiator. I would think within just a few minutes or miles the mix would take place. If you are just topping off then to assure the proper balance it is better to pre mix.

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