[Healeys] No oil pressure

[Michael Oritt]

This morning I drained my old engine oil on my 100 and replaced the oil
filter, then refilled the sump to the correct level and restarted the
engine to check for oil pressure.

After several seconds I became concerned when the oil pressure gauge needle
stayed pegged.  I also have a low oil pressure warning light, the sender
for which is mounted to the block at the point where the flex hose normally
attaches and it is staying lit.

By this time I had run the engine for at least 30 seconds and was becoming
very concered, so I shut it down, removed the valve cover and disconnected
the banjo bolt going to the rocker shaft, then restarted the engine--no oil
is coming out of the bolt.

Thinking that perhaps the oil pump lost prime I removed the flex hose from
the coiled copper pipe gong to the oil pressure gauge and back-fed some
engine oil, then reattached the hose to the line but on restarting again
nothing has changed.

Though this has never happened before I have heard of oil pumps not
repriming themselves and/or taking a while to do so after an oil change.  I
have already run the engine for at least a minute in the several restarts
and am frankly concerned that serious damage may have already happened.

Any thoughts or suggestions will be appreciated.

Best--Michael Oritt
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