| [GMCnet] Brake fluids -Dot 5? [message #355174] |
Wed, 27 May 2020 01:16  |
BobDunahugh
Messages: 2465
Registered: October 2010
Location: Cedar Rapids, IA
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Senior Member |
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It depends on what you are doing to the system at this point. Plus. What are your interest in DOT 5. Each type of brake fluid. Have different attributes. For me. My GVW is sometimes at 24,000 lbs with our 78 Royale. So I install Ford's DOT3 High Performance brake fluid. ( Only at Ford dealers. ) That Ford put in their trucks. That were slated for MH use. As it's boiling point is much higher then standard DOT 3. The Feds have a minimum boiling point for DOT 3. That must be met. Ford,s is just way higher, I use it for my road racing. I have some photo's that were taken by a friend. Of my Yenko, at dusk. The drums were glowing. As I have segmented iron brake shoes. I change fluid everyday. Some like DOT 5. Because they feel it can be used for more years. All brake fluids should be changed every 5 years. On our GMC. Every 4 years. WHY. Because I love our Royale. And us.
Bob Dunahugh
78 Royale since 2003
4 COPO Yenkos
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