Olds 403 value?

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I am not an Olds guy. What is there down low on the pass side that would puke like that? Either above or below the freeze plug. Oil gallery?
 
Exactly. Maybe a head gasket? That may allow oil and coolant to mix then shoot it out the side. It is in a totally inaccessible spot. I tried a mirror-on-a-stick even and could not see.
 
Either way the bearings are probably toast now
 
True. But bearings and gaskets are a LOT better than a cracked block. I'm not finding a "visible V-8" type image of the 403 anywhere.
 
Are these oil galleries inboard or outboard? And could a crack pick up coolant? 403's have oil cooler lines? Could be that too.
Internal_Oil_Flow.JPG

Olds 455 Oil Cooler Lines



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Here is one you can see through

blown_up_403.jpg
 
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Consoles seem to be unobtanium as well

At least decent ones
 
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