[DML] Coolant color purple - what is it?

["Dave Swingle" <swingle@xxxxxxxxxxx>]

I started on the restoration of the car I bought a couple of weeks 
ago in SC = #2466. This car has been driven 4000 miles since 1985. It 
was last started in 1999 or so. The fuel was definitely on its way to 
becoming paint thinner. Today's project was flushing the tar out of 
the gas tank, and draining the cooling system. The cooling system is 
what amazed me. 

The coolant came out a grayish purple. I have not seen that color in 
coolant before. What really amazed me was how clean and nice the 
pipes were inside, the best I've ever seen on a long-term-stored, and 
even many driven, cars. 

Does anyone have any idea what this stuff is? It is not the blue BMW 
type, it was more the color of thin grape juice. I'd really like to 
use it in the future if I can figure out what it is. 

Dave S.




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