03-19-2013, 08:34 PM #1
Oil Pan Drain Plug Size/Thread Pitch, 1994 Chevy 454
Does anyone know the size and thread pitch for a drain plug for a 1994 Chevy truck 454?
The best guess I have is it might be a 1/2" NPT 20, but I can't confirm that. (I need to know for getting a special fitting to screw into the oil drain hole.)
Mike1994 Chevy K2500 Silverado, 454 (modified), original owner.
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