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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

valve grind project

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Old Feb 28, 2011 | 09:35 PM
  #16  
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And, from where it escapes.
 
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Old Feb 28, 2011 | 09:37 PM
  #17  
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Originally Posted by ctubutis
And, from where it escapes.
Ah yes... Thanks for saving me there bud. I've honestly never done a leak down test, how does it tell from where it escapes? I just know how the basic theory of them.
 
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Old Feb 28, 2011 | 09:52 PM
  #18  
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sounds simple enough, I will add that to the list of things to do, right along with the compression test. I should do a compression test tomorow I think as I dont have enough time to continue the painting of parts.
 
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Old Feb 28, 2011 | 09:57 PM
  #19  
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Apparently one measures the escape by listening on top of the engine and the indicates where the problem area may lie. Also this is an awesome site...
I figured I would post up some pics of what it looked like when I bought it

https://www.mobiloil.com/USA-English...acks.aspx?pg=2
 
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Old Feb 28, 2011 | 09:59 PM
  #20  
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Originally Posted by glovemeister
...how does it tell from where it escapes?
Use your eyes and ears....
  • Bubbles in radiator = head gasket
  • Air leaking out tail pipe = exhaust valve
  • Air leaking from carb = intake valve
  • Air from oil fill cap is leaking past the rings
 
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Old Feb 28, 2011 | 10:05 PM
  #21  
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Originally Posted by ctubutis
Use your eyes and ears....
  • Bubbles in radiator = head gasket
  • Air leaking out tail pipe = exhaust valve
  • Air leaking from carb = intake valve
  • Air from oil fill cap is leaking past the rings
Sweet that is much appreciated. I wasn't able to locate that in my searches. Control P on that sucker! Wish I taught this good in college lol.
 
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