Motul DOT4 street fluid is a fine choice for street driven vehicles that are often driven hard but will not see the track. It features dry and wet boiling temperatures of 509°F and 365°F respectively. The DOT 5.1 fluid is designed to be mixed with off the shelf DOT 3 and 4 fluids. It should not be mixed with DOT 5 silicone-based fluids.
