Oil in cooling system

Tiny
TIRE44
  • MEMBER
  • 1969 CHEVROLET CORVETTE
  • 0.6L
  • V8
  • 2WD
  • MANUAL
  • 96,000 MILES
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
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Friday, September 4th, 2020 AT 2:00 PM

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Tiny
DANNY L
  • EXPERT
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.
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Saturday, September 5th, 2020 AT 11:58 AM

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