I got a 385 sbc that had to be rebuilt due to lots of water being in the oil. Made the second pass in the car after rebuild and lost a gallon into the pan. Heads and cylinder walls are okay and don’t have cracks. I’ve read a few places that water could be getting around the studs and the studs in my motor haven’t been touched since the 90s. I’m inclined to try and take them out to reseal them and see if it fixes the issue on top of trying morosos ceramic sealer. I also use silicone around the water passages on the intake so I doubt it would that. Does anyone have any idea what it could be.