D.O.T. 3-4 vs. D.O.T. 5 for a '56 Patrician

Posted by pcyco13 On 2015/9/15 13:02:12
Okay, I've heard varied opinions on D.O.T.3-4 vs. D.O.T.5 brake fluid used on a '55-'56 with Torsion Leveling. Does it ruin the brake light switch or what? I've always had good luck and a hard pedal with 5. Opinions are all over the place on this. Anyone have the practical skinny on it?

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