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Old May 19, 2007 | 04:11 PM
  #1  
4starcstms's Avatar
4starcstms
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Laughing Gas
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From: Georgetown, Ky
Oil on Plug?

Okay Ive got ONE plug #7 thats getting drenched in Oil... Bent Valve ooorrr Broke Ring? Best way to tell?
 
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Old May 19, 2007 | 08:23 PM
  #2  
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4starcstms
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Laughing Gas
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From: Georgetown, Ky
N/M Ran compression Test on that bank... 7 and 8 are both low, thinking head gasket between the two cylinders..

#5 - 173
#6 - 168
#7 - 155
#8 - 152
 
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Old May 20, 2007 | 02:42 AM
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Well they are just above the 10% Norm.... at 173#'s at the high t most you would only want a 17.3# difference... But that still would account for the oil soaked cylinder..

Sounds to me like a bad oil ring ?

RJ
 
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Old May 20, 2007 | 11:44 AM
  #4  
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Laughing Gas
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Might be, worst Case... For now I'm pulling the head off, and we'll go from there, might end up pullin the motor... Again.


Whats a good head gasket to use??
 
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Old May 20, 2007 | 01:38 PM
  #5  
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rusty70f100
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I was getting that big time before I put in the 3 finger oil baffles. Could it be the heads flooding with oil and getting in through the valve guides?
 
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Old May 20, 2007 | 06:23 PM
  #6  
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Well Kurt could have a point there...about the top end over oiling...I dont use umbrella seals..I use have the guides cut for PC seals..but not everyone does..

I once bought a motor from a guy ...392" hemi..and the guy was stright up and told me it smoked..upon tear down I found tht the valve seals were bad on a few cylinders.. and I did a complete head job..ran the motor in a 54 ford f100 for 3 years with no looking back..

RJ
 
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Old May 20, 2007 | 06:32 PM
  #7  
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All of the above but don't forget the intake gaskets.
 
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Old May 20, 2007 | 09:33 PM
  #8  
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Laughing Gas
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this is a All of the sudden problem. DIdnt think about the intake... Might just retorque everything before I tear it down...
 
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Old May 20, 2007 | 10:27 PM
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Is this an automatic trans? I think the tranny modulator hooks to the intake in that area....Is the motor oil dropping? Mine used a bunch of oil when the guides/seals were bad.......If an auto, look inside the vacuum hose at the intake, any trans fluid? Should be dry..........And I agree about the PC seals over the umbrella type.........aMP
 
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Old May 20, 2007 | 11:21 PM
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From: las vegas nv.
adjustable rockers? I have the teflon guide seals with the little springys...after about 50,000 miles I installed adjustable rockers,everything had been fine but all of a sudden I started eating oil...lots-o-oil. I read here about needing the 3 finger oil returns, got a pair,and now we're dry and smooth again.
 
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