Antifreeze capacity on a 91 7.3

[gunz]

Decided to go ahead adn change the antifreeze since i have a long weekend. I can get fleet charge locally. How many gallons does our cooling system hold. I will be mixing it , not buying the predilited stuff. Thanks

 

[GOOSE]

About 6 gal.

 

['94IDITurbo7.3]

my system added up to 8 gallons. don't know if the '91 capacity is different though.

 

[towcat]

8 gallons here too.

 

[OLDBULL8]

8 gallons if you drain the block. Flush it also if changing over to a different coolant. Some coolants are NOT compatable with each other.

 

[dsltech83]

8 gallons if you drain the block. Flush it also if changing over to a different coolant. Some coolants are NOT compatable with each other.

Good Advice, Definately should flush the crap out of the block. You will be amazed at the crap that hides in there.

 

[gunz]

going to fleet charge, not sure what is in it now. Will get 4 gallons and 4 gallons distilled water. Thanks all.