yep.... stupid, stupid, stupid!
Problem solved!!!!
hooked up the rear hoses wrong.
It appears that one of the rear hoses that go into the block is a breather not a coolant hose.
thank you for all the help

oh well, i wanted to tear the engine down and paint it anyway.
If i find some crazy reason other than HG i will post it.
thank you for the help.
Randy

the engine never even got warm to the touch when i ran it prior to adding water
Randy

i am just baffled with the amount of water that it put in crank case in such a short amount of time.
the oil and filter that was in the engine prior to install looked like it had been in there for a few thousand miles.
what would cause a HG to blow after sitting for a few years?
i did not have the hoses hooked up to the intake, rerouted them to heat core.
Randy

Hello,
I am new to the world of Datsun engines.
I just installed a used A14 in a MG Midget, install was no problem.
after install, I started it with no rad hooked up and ran it for about 30 seconds.
Engine sounded fine so I figured i would move on and complete the install.
Filled Rad with water, started engine and within 2 mins I had water/oil coming out of the breather tube on valve cover.
immediately shut her down and drained crankcase to find about 2 gallons of water/oil.
what you all think... head gasket or timing cover/waterpump?
thank you
Radny

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