One way that I have done it is to block off one end, fill it with water than add a few lbs of air to pressurize. You’ll need to get creative with fittings. I would not add any more than 10 lbs as that may open up some seams.


Phil
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1952 Chevrolet 3100, Three on the Tree, 4:11 torque tube
Updated to: ‘59 235 w/hydraulic lifters, 12v w/alternator, HEI, PCV and Power front Disc Brakes
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