Radiator Specialty (Gunk) Super HD Brake Fluid

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Oct 23, 2007
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Anyone have any experience running this brake fluid? It is a high temp DOT 3 450F Dry vs 401F for the standard HD version. I have used in this Std HD version in other vehicles without a problem . Just wondering if there could be any problem with the formulation to increase the boiling point. The car is spec'd for either DOT 3 or 4, but I can't find the Castrol LMA locally I used to use previously, so I am looking for alternatives.
 
I am sure it will be fine. I sometimes find it odd that companies with a name like Gunk (engine cleaner) or Radiator Specialty try and use their name to sell products completely unrelated to their name.

Sams Club sells a Duracell or Energizer (one of the two names) car battery. Just because I like a company that makes AA cells does not mean I think they will make a good car battery that is different chemistry.
 
The main concern is seal compatibility with the higher dry temp. Since the car is a 1994, I am not sure the manufactures worry about the seals with a vehicle that age.
 
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