oil pressure

I just got a new oil pump from Midwest Bayless for my '81 X, and as instructed I swapped the foot of the old pump onto the new one. Trying to use all "new" parts that I could, I put the spring from the new pump in, but was forced to use the old bypass pin that the spring pushes against as the...

Does anyone know the resistance and limits to the OE oil pressure gauge? I am looking to add one to my 78' on top of the existing low pressure light. With that I would like to get a VDO or Kus sender with the M14x1.5 threads. These have both the sender and light attachments to eliminate the...