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Topic Review (Newest First)
04-23-2011 09:43 PM
mumbles It seems very unlikely that anything like that could result in engine failure since there are several places under the valve cover that would allow the oil to return back to the pan. I have personally seen engines with more than one of these little under cap seals from oil jugs under a filler cap. And never has it caused engine failure, that I am aware of. The most likely occurrences are oil pump failure, oil pump cavitation from lack of oil or driving in the wrong gear, oil pump pick up tube separation from pump, and or over revving the engine for a prolonged period of time. Usually when these things happen the connecting rod bearings in the center of the motor seize on the crank first resulting in a deep knocking sound and spun bearings. Careful inspection of the oil pump at dis-assembly would be advisable. Secondly a careful look at the cooling system would be in order.
04-23-2011 08:02 PM
newbie57 Thanks for the feedback
Nothing seemed out of the ordinary and im sure the oil level was good.
Would it be possible then that the oil return hole in the head might have been blocked causing the engine to starve for oil? What would have been the signs of this happening? Wouldn't oil have poured out all over the engine? And burned on the exhaust?
04-23-2011 05:30 PM
eloc431962
Quote:
Originally Posted by cobalt327
The tinfoil/cap/cardboard thing would not- in and of itself- cause the engine to blow.

Now, if something had been poured into the engine to contaminate or dilute the motor oil for example, THAT could have caused it to fail.

When you drain the oil, pay attention to its appearance (thin or thick, normal color or not) and the smell (like gasoline or some other solvent), and check the oil for having sand or some other substance in it, other than some metal debris from the engine failure itself.
X2 Mark, I was wondering the same thing if something was actually poured in the engine to cause this mishap.


Cole
04-23-2011 12:31 PM
cobalt327
Quote:
Originally Posted by newbie57
I found a piece of tinfoil with cardboard on and what looked like a filler cap in the hole where the engine oil goes. It was just laying in there loosely. I think someone might have put it in there to make my engine blow, or a kid put it in there for a prank when I left the hood open for a while.
Is it possible that that would have caused my engine to blow?

Thanks
The tinfoil/cap/cardboard thing would not- in and of itself- cause the engine to blow.

Now, if something had been poured into the engine to contaminate or dilute the motor oil for example, THAT could have caused it to fail.

When you drain the oil, pay attention to its appearance (thin or thick, normal color or not) and the smell (like gasoline or some other solvent), and check the oil for having sand or some other substance in it, other than some metal debris from the engine failure itself.
04-23-2011 12:24 PM
eloc431962 Welcome to the site, I don't really think with it just laying loose in the valve cover breather hole it would blow your engine, Something else must have given up somewhere in the engine. JMO did it have any oil in the engine ? any sounds before it went south on you ?






Cole
04-23-2011 11:42 AM
newbie57
blown engine

Hi
I have a 1979 chevy truck with an 8 cylinder small block. I was going down the highway and my engine just blew. I found a piece of tinfoil with cardboard on and what looked like a filler cap in the hole where the engine oil goes. It was just laying in there loosely. I think someone might have put it in there to make my engine blow, or a kid put it in there for a prank when I left the hood open for a while.
Is it possible that that would have caused my engine to blow?

Thanks

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