Prestone claims their Dot 3 brake fluid EXCEEDS

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660
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Albany, NY
Min standards:
Quote:
Both wet and dry boiling points exceed the minimum government standards. A comprehensive inhibitor package protects vital brake system metals. Minimum Dry Boiling Point 460F (238C). Minimum Wet Boiling Point 284F (140C).
Maybe for the dry, but isn't 284F the wet standard? Meet, sure. But exceed? From wiki: Boiling point ranges [2] Dry boiling point Wet boiling point DOT 3 205 °C (401 °F) 140 °C (284 °F)
 
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2,823
Location
NYC
There's better I'm gonna be using Valvoline's DOT3+4 "Dry Boiling Point, °F (°C) (ERBP), min 446 (230) Wet Boiling Point, °F (°C) (ERBP), min 311 (155)" It's the closest we can get to Motorcraft fluid or ATE for us on a budget in terms of performance.
 
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3,061
Location
usa
it exceeds the dry, doesn't it? 460 > 401 smile Even if the wet is the same, it doesn't have to exceed *both* to "exceed the standard" tongue2 Besides, regular fluid changes are much more important. However, if you still want more, get a DOT 4.
 
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