An update on my last block with the stuck pistons.
I let it soak for a long time and pulled it from the tank every now and then. Got 1 of the 3 pistons out. Then last saturday was able to get the other 2 out.
I dropped in to the calcium carbonate tank to neutralize the vinegar.
I will pull it out of that in a couple days and take it to the Machine Shop to have it checked.
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In the one picture you can see the rust on the cylinder wall that was between piston and the block.
The number 1 and 3 caps show a light coat of rust from being out of the tank and air drying before I could dried them.
