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Old 04-26-2012, 09:13 PM   #21 (permalink)
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Quick question for anyone familiar with the old flathead engines. I'm trying to get the engine to turn over, but it gets stuck. I can turn it roughly 45 degrees (its very smooth for that 45 degrees) and then it stops both ways. Its not solid stop, and there is no metal 'tink' sound when it does stop. I've removed the spark plugs, put some oil in each cylinder and let it sit. I drained the oil and put new oil in and cleaned up the oil pan. While it was apart I took a look at the bottom end and it all appeared fine (though I'm not familiar with the engine). I've also removed all the belts on the front to eliminate any possibility of the accessories hanging it up. The previous owner claimed it ran when he put it away (probably 5 years ago). The next step I think is to take the exhaust manifolds off to see if there are any creatures that have crawled up and nested in the exhaust. Then after that I think its time to remove the heads and see if its a stuck valve or something. I'm quickly approaching the point at which pulling the engine might make everything easier to do.

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Old 04-26-2012, 09:18 PM   #22 (permalink)
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Shine a light in the #2 cylinder spark plug hole.

Then tell the mouse living in there to stop pushing back - that he's going to lose the battle eventually, so he might as well just leave.
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Old 04-26-2012, 10:51 PM   #23 (permalink)
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Spun rod bearing.
Phenolic cam gear broken.
45 degrees is not much movement, probably not something hitting any piston.
Pull the distributor make sure it's not locked up.
Valves can not hit pistons no matter what, unless the head is broken off.
Pulling the heads may be your best bet, and nothing could be easier to pull the heads on.

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Old 04-27-2012, 09:26 AM   #24 (permalink)
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Oooh, I hadn't thought of the distributor causing any issues. Thanks.
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Old 04-27-2012, 12:54 PM   #25 (permalink)
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Might be a piston at or near BDC with stuck rings.
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Old 04-28-2012, 09:18 AM   #26 (permalink)
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Doax you mentioned you put oil in the cylinders, was that stove oil/ diesel, if not then try diesel for a few days on top of the pistons. I freed a Toyota's stuck motor in the past with diesel, which my Dad suggested.
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Old 04-28-2012, 02:10 PM   #27 (permalink)
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That is a great project. For your body work help check out autobody 101 a good website ran by professional body men and women. Word of caution do a search for your questions. I have learned more by reading there than posting like here I read a lot.Tey also have a great fiberglass forum there too.

Link to Autobody 101
Index page • How to Paint Your Own Car, Auto Body Discussion Forum & Videos • AutoBody101.com

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