Brake fluid as penetrating oil.

[martinq]

I know what I say, but that doesn't explain the dye transfer.

CAUTION! Hot Video Action Below!!!
http://vimeo.com/62838472

(the two little rising-blobs at the end always get me)

 

[Ducked]

Brake fluid would be rubber-safe, since it has to be compatible with the seals in the braking system, yes? That'd be quite a useful characteristic in a penetrant.

Given the list of ingredients posted above, how would it do as a tyre protectant?