bench bleed a master cylinder?

[73 Mustang Boy]

Your master cylinder should have came with 2 plastic fittings that screw into the holes where the brake lines would normaly go. Attach a piece of plastic hose to the other end of the fitting and run the 2 pieces of the hose back to the reservior of the master cylinder. Put the master cylinder firmily in a vice, or clamp it down somehow. Fill the reserviors and use a screw driver to pump the piston in the back of the master cylinder. Pump the master cylinder until air bubbles stop coming up in the reservior. It is a real pain and makes a huge mess.

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73 coupe, 351W, GT-40 heads, edlebrock 750, offenhauser intake, .488 lift cam, 2.5 exhaust, 2 chamber flowmasters, blah, blah, blah...