To check for crimped line: disconnect hard line from slave, pressurize the reservoir (20 psi) (fully filled, since clutch master feed line is very high on reservoir) tank (I build myself a ghetto pressure bleeder from extra reservoir cap, drilled hole and threaded compressed air fitting it and RTV sealant to seal up). If not thing comes out the line: blocked, either clutch master (happened to me) or kinked line (hard to imagine you can kink a line so bad that not even small amounts of fluid can be pushed through).
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