Head Stud and Gasket Restart - Page 3 - Ford Powerstroke Diesel Forum
6.0L Performance Parts Discussion What has or has not worked for you?

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  #21  
Old 01-24-2013, 08:58 AM
DBM DBM is offline
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Head Stud and Gasket Restart

Might do a compression test and make sure all the valves are seated properly.


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  #22  
Old 01-24-2013, 09:25 AM
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The machine shopped removed 0.006.
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  #23  
Old 01-24-2013, 02:25 PM
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According to Jesse Warren, that even might be too much. He said .005 was max, but I have heard as much as .008. I would definitely find someone with IDS or AE (not sure) and get a compression test done. This will tell you the cylinder you're having the problem with.

I believe that you have the same problem as me. The machine shop took off too much material and that's causing piston valve contact. I was told you can check this by checking the gap between the rocker arm and the valve bridge. You SHOULD be able to fit .002 or .003 feeler gauge in there. A compression test would also tell you this. This can be remedied by machining down the valve bridge a little bit. I am not positive on the details, Jesse Warren @ Warren Diesel was the one who told me about this. I think it would be good for you to give him a call and talk to him about this problem. He explained it a lot better than I can. I think that eventually if you keep running it like that you will end up breaking a rocker arm or a push rod.
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  #24  
Old 01-24-2013, 03:14 PM
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id be one pissed off MF if the machine shop took to much off and screwed my head!!! glad you pulled the push rods just to make sure! like they are sayin now, your gonna have to get a compression test done to find the bad cylinder. if you keep runnin it though you can cause piston damage so i wouldnt run it if i were you
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  #25  
Old 01-25-2013, 09:31 AM
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Got it all figured out. When we went to pull the last rod we noticed that the rocker was off the valve. I bet we bumped it off when putting the oil rail back on. She fired up and there was a sh*t eating grin from ear to ear.
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  #26  
Old 01-25-2013, 09:50 AM
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Head Stud and Gasket Restart

So if your heads get machine do you have to machine the valves as well?


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  #27  
Old 01-25-2013, 10:06 AM
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Quote:
Originally Posted by westside98 View Post
So if your heads get machine do you have to machine the valves as well?


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Not necessarily, just don't take off more than .005. It is a good idea to check the valves though in order to determine if you need a valve job.
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  #28  
Old 01-25-2013, 07:28 PM
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Glad it was an easy fix and short term heart burn! But could it have been possible that if the gazkets were replaced once or twice before and each time they took lets say .004 which is safe at any "one" given time that someone never noticed and the heads were milled too far over time? I've never seen the underside of these heads to tell what might look to far and say no good. Also do any companies make a thicker gasket?
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  #29  
Old 01-25-2013, 08:43 PM
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Originally Posted by livinlots26 View Post
Glad it was an easy fix and short term heart burn! But could it have been possible that if the gazkets were replaced once or twice before and each time they took lets say .004 which is safe at any "one" given time that someone never noticed and the heads were milled too far over time? I've never seen the underside of these heads to tell what might look to far and say no good. Also do any companies make a thicker gasket?
I was told you could machine down the valve bridges a little bit to make up for it. Whether it's true or not I'm not sure.
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  #30  
Old 01-26-2013, 04:01 PM
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Head Stud and Gasket Restart

How much are new heads?


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