1993 Olds Eighty-Eight Cylinder Head leak - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 05-28-2011, 09:22 PM   #11
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Good to hear. Hope all goes well putting it back together. Use copper spray RTV on the head gaskets.
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Old 05-28-2011, 10:31 PM   #12
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thanks I will. Now the easy part comes into play..... Buying all the parts necessary to finish the job. It was also a good thing opening the side of the engine that faces the radiator. So now I'm ordering pipes, hoses and spark-plugs because they all need replacing. Oh, did I mention that the head gaskets were the originals? Any who, the engine will be rebuilt by the end of July hopefully since this is my first engine tear-down and rebuild, I'm taking it very slowly and strapped for cash on parts funds. Thanks for your help again.

-Martin
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Old 05-28-2011, 11:17 PM   #13
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Not to hard. I did my last rebuild in about 2.5 hours.
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Old 05-31-2011, 01:20 AM   #14
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I'm doing it slow, so it'll take me awhile to get the engine back on its feet.
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Old 05-31-2011, 11:04 PM   #15
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One quick question, if the cylinder heads are made of cast iron, do they need to be reconditioned? Do cast iron ones warp, and how much will it take bite out of my wallet?
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Old 05-31-2011, 11:16 PM   #16
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Yes, heads can warp. Sometimes they can crack. You can pick up a set of heads for perhaps $100 or so for a good used set.
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Old 05-31-2011, 11:23 PM   #17
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Typically, it takes a lot of heat to warp cast-iron heads. I've only overheated my motor once, and it only cost me two little gaskets.

If you're planning on getting them reconditioned, verify that they actually need it before dumping the contents of your wallet.

EDIT: What Dan said.

Last edited by SignOfZeta; 05-31-2011 at 11:23 PM. Reason: Simultaneous post.
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Old 06-01-2011, 04:13 PM   #18
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The heads look pretty good and yeah like you said Colin, I'm in need of gaskets.

I also have pipes in need of replacing. They carry coolant somewhere to the firewall, most likely to the heater but I'm not sure. If you guys know what i'm talking about, tell me what those pipes are called and where do they go to. I need to know this because they need serious replacing. It was one of the main causes the gasket blew.
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Old 06-01-2011, 04:49 PM   #19
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heater core lines, can be replaced with rubber ones if you have a good spot near the firewall left to clamp to
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Old 06-02-2011, 09:01 PM   #20
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Default Pictures of the Cylinder heads and blown gasket

Here are the pictures of my cylinder heads. As they're shown, they don't have any visible cracks so I don't need to have them resurfaced. By the way, these pictures were taken today when I cleaned them with a de-greaser.
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1993 Olds Eighty-Eight Cylinder Head leak-dsc00575.jpg   1993 Olds Eighty-Eight Cylinder Head leak-dsc00576.jpg   1993 Olds Eighty-Eight Cylinder Head leak-dsc00577.jpg   1993 Olds Eighty-Eight Cylinder Head leak-dsc00579.jpg   1993 Olds Eighty-Eight Cylinder Head leak-dsc00581.jpg  

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