First, the vendor that sold it to you should have rebuild kits available; I doubt if he has various sizes of long-throws around sop measuring should not be necessary. ALL 'long-throw' slaves have smaller bores than stock slave cylinders, incidently. Thats how they get the extra travel with a stock master- nothing's free, you know. There were two different sizes of stock clutch masters, too. Finally, many replacement clutch discs are slightly thicker than the DeTomaso-reworked units that were OEM, so a long-throw slave IS a good idea for ZF longevity regardless of what clutch is in there.
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