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Den N Ms 12-15-2012 18:43:29 74.177.29.94 Report to Moderator	Fuddy Duddy,You might try cleaning out any thing that is in the cylinders now with old rags ect.Use an old ball hone and try to remove all the rust on the walls of the cylinders you can.Blow out around the pistons with a blow gun.Then cut a oak 2x4 to put between a bottle jack and one of the two lowest hanging rod caps on the crankshaft.Put the jack under the crank throw and jack up till it has lots of pressure on it.Get some muriatic acid from the hardware store and pour some in a glass jar or plastic cup.Be careful not to get it on you or spill it.Pour it into cylinders covering the pistons say 1/8" deep so it can run down the walls and remove the rust.Put some cardboard under the engine to keep the acid off the floor.Walk away and let it soak a few hours.Did they come loose?Does it need another shot of it?It should be loose by the next morning.If its not dry them out with rags or paper towels.Put some rags or paper towels on top of them to keep it from splashing up the sides,wear goggles Tap them some the next day with a block of wood. [Reply]   [No Email]
Fuddy Duddy 12-15-2012 19:57:38 75.229.50.77 Report to Moderator	Re: To Free a Stuck Engine in reply to Den N Ms, 12-15-2012 18:43:29   .I had thought of using muriatic acid. That was my next chose. That is some strong stuff. I took a plastic peanut butter jar with some in it and dropped on a crushed beer can. It smoked (fumed) for about and hour. Was boiling and near melted the jar. Impressive to see. The next day the can was near gone. The next day completely gone. I haven't yet checked to see it the pistons are cast iron or aluminum. Don't guess it would matter much. Mostly replace them any way. Here is a picture of what I'm working on   [Reply]  [No Email]
DanP 12-16-2012 05:47:16 24.60.126.220 Report to Moderator	Re: To Free a Stuck Engine in reply to Fuddy Duddy, 12-15-2012 19:57:38   When we were resurrecting Model A cut downs (doodlebugs) we used to run muriatic acid through the cooling system. It will eat any sludge (and aluminum). Also good for cleaning up steel hardware. Have to rinse the iron steel real well and apply oil, because it will rust very quickly.   [Reply]  [No Email]
Den N Ms 12-15-2012 20:46:14 74.177.29.94 Report to Moderator	Re: To Free a Stuck Engine in reply to Fuddy Duddy, 12-15-2012 19:57:38   Fuddy Duddy,I have used muriatic acid on some rusted up worse than that one.It looks like the pistons are in the right position for the jack and block to work well to.Not at TDC and BDC that would make it a little harder.   [Reply]  [No Email]
Fuddy Duddy 12-15-2012 20:06:44 75.229.50.77 Report to Moderator	Re: To Free a Stuck Engine in reply to Fuddy Duddy, 12-15-2012 19:57:38   And yes, That is Bird nest and Dirt dodder nest in there. The guy pulled the head then just placed the tin back over it. He had heard a 6 cylinder diesel Toyota engine would fit. So he wasn't concerned about this engine that could had been fixed pretty easily. I think he would had just over powered it and messed up the gears and rear end. But he never got around to it.   [Reply]  [No Email]