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By cos - Last Month
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Hello Members trying to save a C2 block.. Pistons are stuck in bore (rust) just started working on getting them out. Crank of course will not turn so no getting to all rod bolts to pull crank.. Have bores soaking in penetrating oil. Heat, bigger hammer any thoughts?
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By KULTULZ - Last Month
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Was the engine (short or complete?) left out in the weather? Spark plugs or intake removed when you found it?
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By cos - Last Month
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Complete No carb must have gotten water thru intake manifold. or exhaust manifold.
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By KULTULZ - Last Month
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Maybe fill the cylinders with solvent. Put plugs back in. Allow the engine to sit for a week. Remove plugs and gently try to turn.
If it breaks, continue to turn slowly and gently (as the bearings will also be dry). Maybe blow out solvent and squirt oil around the ring lands as possible.
Are you trying to save the lower end or go through it?
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By cos - Last Month
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Stripped to block, crank,rods and piston. Basically trying to save block. Crank looks good and has HD rods. Did have a iron georotor oil pump.
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By KULTULZ - Last Month
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Is the engine on a stand with heads removed?
Maybe install the heads with old gaskets to be able to hold solvent for a week.
Sometimes, a sharp blow with a dead-weight hammer or block of wood on the piston will break the hold.
Otherwise the piston will have to be hammered out from underneath.
SHOCK AND AWE always bothered me.
Hopefully Ted will see this and give better advice.
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By paul2748 - Last Month
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Break up the pistons from the top if you do not want to save them.
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By cos - Last Month
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Thanks Paul not the trying to save rods or pistons. Engine should have had the beefer rods. Got one out it it is EDB, not worth trying to save Hoping Kroil oil and heat will work.
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By cos - Last Month
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Hello Pistons are out. Kroil oil, 3 pound hammer and torch. Thanks
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By 55blacktie - Last Month
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cos (10/16/2026)
Hello Pistons are out. Kroil oil, 3 pound hammer and torch. Thanks
Any damage to cylinders?
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By cos - Last Month
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Doesn't look like it. Friend had it and was junking 4 or 5 Y blocks. Not planning on using it but c2 are hardest one to find, save 312s.
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