Yes, I wasn't too pleased to find plastic tubing to work with. Where do you think I could find copper tubing that would work and fit into the little fittings at each end? The look like kinch/compression type end sealing things. Do you thing changing the diameter of the tubing could effect the reading?

I'll probably have to content myself that the gauage is not going to be all that accurate. At least it would tell me of catastrophic oil-loss though.

Does anybody use a gauge that they feel is quite accurate? If so... do you notic e the reading of PSI going down as your run lower on oil and need to add more oil to your system?