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First off, use Brass elbows as they will transmit heat to the temp sensor much better than cast iron, you need 2 elbows with the temp sensor and second elbow in the first, then the idiot light sender and pressure line in the second. I don't trust the accuracy of the electonic oil pressure gauges so I use a mechanical one and an oil line but you cant use the littl one that comes with the gauge as its too long for the thick oil to get quick response. I use a copper line instead, I think its 1/4", copper is a must where it goes into the engine as the plastic will die from heat in a year or 2. Get 270 degree sweep gauges as they give you more detail and are easier to read. Keith Matt and I want to install both an oil pressure and an oil temperature gage to the Notch, adding to the idiot light. At the Cal Import site I see that there appear to be a variety of installations possibilities, including what appears to be a t-connector that would allow me to use two sending units in one location, on top of the oil cooler. The temperature switch appears to have a 14 mm thread while the oil pressure sending unit is a 10 mm thread and it looks like the t-unit will support both. For those of you who have made this additional installation, is there a preference? Any experience would be appreciated. Thanks in advance. Dave David Sanderson, PCA-CWR Past President, Secretary, Editor... just past (604) 822 - 4361 or (604) 255 - 4935 voice (604) 822 - 6842 fax porschedave@rennlist.net 1977 911S 3.0 L 1965 Sunroof Notch 1965 Electric Lime Green Notch http://members.rennlist.com/porschedave/ http://www3.telus.net/SUDAMA ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~