Coolant, concentrate or 50/50


fender559

Forum Member

Joined
Mar 29, 2026
Messages
12
Points
101
City
Reedley
State - Country
CA - USA
Vehicle Year
1999
Vehicle
Ford Ranger
Engine
3.0 V6
Transmission
Automatic
Hello, I have a 1999 Ford Ranger 3L, Flex Fuel. I know the coolant is green but my question do I use the Motorcraft concentrate or the 50/50 mixture?
Thanks
James
 
Its generally always cheaper to buy it straight and then dilute it yourself.
 
:iamwithstupid:

I have a problem paying for 50% water. I’m perfectly capable of adding water myself. Ideally it should be distilled water. I usually use a universal orange coolant in everything.
 
If you buy concentrate, you need to dilute it 50% when you put it in. So, whichever is more economical is the better choice. Generally, it's cheaper to buy a gallon of concentrate $13 and a gallon of distilled water $1.50? And you get 2 gallons of usable coolant for $14.50 total. Two gallons of premix $10 each will be $20. The premix costs $5.50 more. Your choice.
 
Thanks everyone........
 
I will say that if I’m on the road and need some coolant, the pre mix is sometimes convenient enough to be worth it. Especially if I don’t need two full gallons.
 
I will say that if I’m on the road and need some coolant, the pre mix is sometimes convenient enough to be worth it. Especially if I don’t need two full gallons.
That's about the only time I buy it. But usually, I have at least one jug with me.
 
I will say that if I’m on the road and need some coolant, the pre mix is sometimes convenient enough to be worth it. Especially if I don’t need two full gallons.

I only carry pre-mix for this reason. I'm not going to dilute coolant in the woods
 
I use old coolant bottles to make my own 50/50 mix to keep on the shelf and in vehicles. I write on them with a Sharpie or paint marker and make a mark for full and halfway. Fill halfway out of a fresh jug of coolant, top with water, cap and shake.
 

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