At 08:55 AM 1/19/97 -0600, you wrote:
>Paul;
>Buy an anti-freeze tester for the type of coolant you are using i.e. a
>regular tester will not work on Seira brand. Then check the protection
>offered by the mixture in your vehicle. You should be able to figure out
>how much you need to drain and replace  with straight anti-freeze. 

>Good Luck
>Ken

My recommendation is to not use straight anti-freeze.  A 50-50 mix will give
you better protection plus we have seen problems with straight anti-freeze
"working" on aluminum parts.

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