Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - 350 sbc coolant drain plugs
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Old 12-10-2012, 11:39 AM
Mr. P-Body Mr. P-Body is offline
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Those are tapred pipe plugs, 1/4"-NPT. If you can get heat to them and a lttle wax, they'll usually come right out. Make the plug "glow" (NOT the block around it). 9/16" six-point socket...

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