so i have just purchased both a clutch and brake master cylinder. they are the new type with round plastic tank that minisport in Adelaide sells. however, they look pretty much identical! i understand that the brake has a non return valve or something of the sort in it, where as the clutch doesn't (or visa versa). the bases are a little bit different, one has a larger base then the other. does anyone know how i can tell which is which?

thanks!

Gently poke a thin bit of wire in the little hole at the top, if it stops it's the brake master, if it goes straight in is the clutch

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Dean Hutton's first car was a Mini.