Quote:
Originally Posted by weemark
mike that's not so good to hear about your issues. ive never seen that crud on a water pump like that before. I wouldn't think the casting sand is your issue, I would say it was the crud on the water pumps which ha caused them to move/pump only a small amount of water. sand has been there now for 81 years and never caused any issues previously, now you know about it, its best to get it out though. I would think you will need to get the block out and spend a bit of time with a screwdriver loosening it as you wash it out.
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Hi Mark, How are things? The No Rosin is supposed to prevent corrosion on pumping systems. The sand is now like a sandy rusty mud. Maybe I caused it when I ran Vinegar through the system? I'll have to get it out though. I'm going to try and flush it out but if not successful, I'll just pull the engine. Hope all is well....