Does it matter what radiator fluid I use. 1983 FJ40. I'm using Valvoline for Toyota but it says 1990 and above.
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See The Different Colors of Coolant and their significance - https://fuelandfriction.com/weekend-warrior/the-different-colors-of-coolant/Does it matter what radiator fluid I use. 1983 FJ40. I'm using Valvoline for Toyota but it says 1990 and above.