Normally there is a small washer with an .032” hole in it to prevent all the oil rushing out fast, might already be in the system, usually under the initial fitting in the block.
Ed
That would act as a snubber so the gauge doesn't bounce with any pulsations in oil pressure from the pump. I didn't look to see if there was that small hole in the fitting on mine, but will try to remember when I start putting it back together.
Kevin 1951 Chevy 3100 work truck Follow this saga in Project Journal Photos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together.
