-- [ From: Edge * EMC.Ver #2.5.02 ] --
I recently purchased some gauges to monitor my engine performance. I bought a oil temp gauge, an oil PSI gauge, and a tach. Before I had only the stock oil sending unit and the red oil light would come on when I started the engine and stay on for about 2 seconds. Now that I have replaced the oil sending unit I have some major questions. Some facts: 71 VW 1600cc Upright engine VDO gauges and sending units. Engine has 7000 miles since last rebuild. Has never been over 210 degrees oil temp on a 98 degree day. Before I replaced the sending unit I had never seen the red oil light come on except at startup for about 2 seconds. Now that I have replaced the sending unit, the oil light stays on at idle on a warm engine. Here are some stats I recorded. At idle on a cold engine: RPM PSI Oil Temp 1600 60 below the scale of 120 Once the engine is warmed up: RPM PSI Oil Temp 3500 20 170 At idle on a warm engine: RPM PSI Oil Temp 1500 9 170 Do I have a bad sending unit, or a bad motor? The red light NEVER came on before. What is the cut off temp for the stock gauge to make the light turn on? TIA! -- Jeff Keith President Computer Creations Inc. edge@interramp.com http://www.computercreations.com/cci/
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