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Engine diagnosis from pics

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by Panther, Jan 4, 2002.

  1. Panther

    Panther 1/2 ton status

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    Hey everybody. I am just in the picture posting mood today [​IMG] so I was hoping some people could take a look at these pics of my exhaust header on the driver's side.

    Apparently oil is leaking out around the headers. I took on some water a couple months ago and there's been at least one mis-firing cylinder ever since. Are the rings shot on this cylinder so I'm pushing out oil around the piston?

    <a target="_blank" href=http://briefcase.yahoo.com/bc/jsausman/lst?.dir=/90+K5/Engine>http://briefcase.yahoo.com/bc/jsausman/lst?.dir=/90+K5/Engine</a>

    Thanks.

    <font color=blue>Brilliance is like 4wd, it allows you to get stuck in a more remote location [​IMG]</font color=blue>
     
  2. muddin4fun

    muddin4fun 3/4 ton status

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    umm..that might be a head gasket. Someone correct me if I'm wrong.

    <font color=blue>Answers: $1, Short: $5, Correct: $25, dumb looks are still free.</font color=blue>

    <a target="_blank" href=http://www.bluefox.tv/~lara>My Wonderful Site</a>
     
  3. HarryH3

    HarryH3 1 ton status Author

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    What does the spark plug look like for that cylinder? If oil is getting past the rings, then the plug should be pretty gunked up.

    <font color=black>HarryH3 - '75 K5</font color=black>
    <a target="_blank" href=http://www.angelfire.com/super/ThunderTruck>www.angelfire.com/super/ThunderTruck</a>
    It's a great day to be alive...
     
  4. Panther

    Panther 1/2 ton status

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    Well honestly Harry, all the plugs are pretty gunked up [​IMG].

    It's had leaky valve seals so I've been burning "oil-burning" plugs since I bought it. I plan on running a compression test soon though. Hopefully that'll give me some more info on the overall problem which I'm sure is related to the problem in these pic.

    <font color=blue>Brilliance is like 4wd, it allows you to get stuck in a more remote location [​IMG]</font color=blue>
     

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