I drilled and tapped the housing of my oil filter to accept the oil pressure line fitting. I drilled it on the top so it hit within the center (outlet) section of the filter so I could read the pressure after the filter.
It has held up fine so far.
I have the original 1962 oil filter can. I had to move it to the front of the intake manifold to clear the steering box, hence the need for new lines.


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