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Old 06-09-2018, 07:16 PM   #1
frmhrt
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Default Newbie ? Oil leak from exhaust manifold

How does this make sense? Just getting ready to start rebuilt flathead v8 engine installed in 1949 Ford truck. Filled with oil and coolant pending celebratory start. Just noticed very minimal leak of clean oil from rear driver's side exhaust manifold. Checked and found I had failed to torque the bolts and did so but, nevertheless, an oil leak from the exhaust manifold doesn't make sense to me.
I did put spritz oil in each sparkplug hole and in the oil pump and put a quart in the distributor access before I inserted the distributor to try to get ready for starting. Would the latter actions contribute to this oil on exhaust side or do I have a more serious problem? If so, what could it be?

thx


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Old 06-09-2018, 07:22 PM   #2
ford38v8
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Default Re: Newbie ? Oil leak from exhaust manifold

Oil in the spark plug hole > out and down an open exhaust port > out the exhaust manifold.
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Old 06-10-2018, 01:50 PM   #3
chap52
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Default Re: Newbie ? Oil leak from exhaust manifold

Quote:
Originally Posted by ford38v8 View Post
Oil in the spark plug hole > out and down an open exhaust port > out the exhaust manifold.
Agree. If you poured or squirted oil in a spark plug hole this is most likely where it's coming from. Especially if the ex manifold was not torqued tight. Chap
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Old 06-10-2018, 03:06 PM   #4
B-O-B
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Default Re: Newbie ? Oil leak from exhaust manifold

Could have been some spill when you put the oil in the engine. Unless I use a funnel ,(even then sometime) That stuff will amaze you on how it gets around.
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Old 06-10-2018, 08:23 PM   #5
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Default Re: Newbie ? Oil leak from exhaust manifold

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thanks for all your input. What a relief. Guess I'll prep for a "smokin" start up.

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