![]() one that starts to get soft half-way through a race. This would be why some fluids can keep pedal feeling like a rock for a long time, vs. New: ATE SUPER DOT 5.1 premium brake fluid Glycol-based Boiling point: 265C Wet boiling point: 180C Viscosity: 750 mm/sec. Indication that that particular fluid pulls more moisture in or has more air mixed into the formula from the start. STP ® Heavy Duty Brake Fluid DOT 3 is specially formulated for optimum Performance for Disc or Drum Brake Systems in today’s cars and Trucks. What I have found is that the fluids with lower wet and larger delta between dry/wet boiling points are more likely to have more compressability (more pedal stroke needed), especially once fluid has been heated and/or it has been in the car longer. This is true whether your car requires DOT 3, 4 or 5 brake fluid. Those that like to only touch brakes 1-2 times per year, wet boiling point is most important, but the highest BP that you're cheap-ass budget allows. In a normal system, the brake fluid is clear or very light gold in color. I have found Motul 600 to be an excellent balance and works well in this type of racing / OTDs / HPDEs Castrol SRF is incredible for response to pedal pressure changes, may be overkill for the fairly soft suspension setups and relatively low-grip tires that are run in Chump. Prospeed RS683 is up there as well for compressability - not to SRF level, but better than Type 200. These are widely used in other countries. 116 5 defines grades DOT 3, DOT 4, DOT 5 and DOT 5.1, where DOT refers to the U.S. Decent fluid for lighter cars, attractive price point.įor those that do frequent brake bleeds, dry boiling point and Compressability are key. The Federal Motor Vehicle Safety Standards (FMVSS) under FMVSS Standard No. ![]() bands using visual detection with colour charts, graduated scales or turrets. Its wet and dry boiling points exceed minimum government standards. 4/5.1 brake fluid or a second color in the presence of pure DOT 3 fluid. ![]() I used to run both since it made it so much easier to do a full flush of the fluid - pump until the color changed. Prestone DOT 3 Synthetic Brake Fluid Check Latest Price Summary This fluid is for ABS, disc, and drum brake systems. IIRC, there was some issue with toxicity of the blue dye or something like that. Type 200 and Blue are the same fluid, different dye color (despite the chart showing different wet). ![]()
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