Power Brake Booster

Short answer: Replacement boosters often have the wrong pedal-rod length (e.g., 7.75″ vs the correct ~5.75″ for a 1969). One member’s fix: a section of thick-wall tubing sized to the rod’s OD — cut the rod ~2″ from the end, set the master/rod-end at the correct length with the tube joining them, mark, and weld both ends — which let him fit a smaller-diameter ’84 Z28 booster/master (clears the valve covers nicely).

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