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» Northern California Ford Owners     » Automotive   » Tech Talk   » Pulled a spark plug and tons of oil!

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Author Topic: Pulled a spark plug and tons of oil!
imbroken
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Member # 165

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Pulled a plug on my friends blown cobra... and boom full of oil and fuel... could this be the seal seat for the plug? or... maybe a piston ring?

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I love you Amber! =)
Posts: 1772 | From: Anaheim Hills, Ca | Registered: Feb 2001  |  :
JoeT
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oil is typically blow-by.
outside chance of valve guides (probably only if heads poorly machined or pretty high mileage)

compression check is in order, then leakdown (depending on results)

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1984 Ford Tempo AOD--- RIP

Posts: 6785 | From: San Jose | Registered: Jun 2001  |  :
imbroken
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compression check is being done..

shade, what is a "leak down"?
I pulled the stock plug.. put in a new plug.. cleaned the area.. made sure the plug was threaded in.. went for a short cruise and boom here comes oil again.. only on the #8 cylinder... my bud just got a whole new long block from ford.. hmm... probably their error...

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I love you Amber! =)

Posts: 1772 | From: Anaheim Hills, Ca | Registered: Feb 2001  |  :
PunkINa5.SLOW
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Member # 10

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Does is smoke worse upon deceleration?

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OUTTA THA DRAMA

R.I.P. MIKE STARKEY MY BABY BROTHER
12/8/77-5/17/03
Posts: 2495 | From: MTZ | Registered: Sep 2000  |  :
JoeT
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leakdown is when you have compressed air, get a spark plug fitting, and there's a procedure where you basically take pressure readings over time. It shows you other things that a compression test can miss. (most people don't have the tools/setup for it, but a compression checker is like $35 at sears)
Posts: 6785 | From: San Jose | Registered: Jun 2001  |  :
JUSTIN
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WHAT YEAR COBRA? IS IT A PUSHROD 302? IF THE VALVES DONT OPEN IT CAN PULL ENOUGH VACCUME TO PULL OIL PAST THE RINGS

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JUSTIN selling everything and buying a viper!
Posts: 310 | From: UNION CITY | Registered: Nov 2001  |  :


 
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