Oil in cooling system

1969 CHEVROLET CORVETTE
96,000 MILES • 0.6L • V8 • 2WD • MANUAL
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TIRE44
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My car listed above for the past three years has been getting motor oil in the cooling system. But I never get antifreeze in the oil pan . Motor was rebuilt but problem is still there . It is a 427 , 390 hp, 4 speed . Don't know what to do to correct the problem . Any help would be appreciated .

Mike Bednar
Sep 4, 2020 at 2:00 PM
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DANNY L
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Hello, I'm Danny.

Just curious.. When the motor was rebuilt did they sonic check or magnaflux the block and heads to check for cracks? Sounds like there might be a slight crack allowing oil into the cooling system. Hopefully you don't have leaking head or intake manifold gaskets.Hope this helps and thanks for using 2CarPros.
Sep 5, 2020 at 11:58 AM