Just curious about the effects it would have?

 

DOT 3 Brake fluid available in any automotive store and Walmart are what you are supposed to (as far as I know) use in the clutch master cylinder. I'm sure racing applications would require something a little more but for 99.9 percent of the vehicles with manual tranny's, thats what they use.

 

you use brake fluid for the clutch to begin with......

 

Brake Fluid and clutch fluid are both DOT3 fluid. You use the same for both.

 

clutch and brake fluid are the same thing, DOT 3 iirc is what the car came with stock, they just label it "mazda hydraulic clutch fluid".