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351w smoking from block

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Old Apr 11, 2009 | 03:52 PM
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351w smoking from block

Its a 88' 351w that has been sitting for 6 years. I just replaced the oil, oil filter, a/t filter and fluid, water pump and coolant system. i drove it about 40 miles and now its smoking from the rear driver side near the spark plug, but its not the plug. it smells like burning oil. i tried cleaning off the general area with engine degreaser, but it doesn't seem to do the trick. Looks like it's leaking oil from somewhere and then heating up and burning on the block. what could cause this? any ideas? bad plugs?
 
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Old Apr 11, 2009 | 07:14 PM
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Bad plugs? Bad plugs make the engine misfire.

You have an oil leak that gets on to the exhaust manifold. Clean it off, run it, and check again. Probably the valve cover gasket.

Does this engine still have the pcv set up and proper breathers?
 
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Old Apr 12, 2009 | 01:29 PM
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If the valve cover gasket checks out OK you might take a mirror and look at the rear seal on the intake manifold.
 
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