Gauge or sender?
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Gauge or sender?
just got a recent rebuild started, mechanical gauge (snap-on) shows a healthy oil pressure (75psi at 2500rpm), however the dash gauge causes me to worry. on startup the dash guage will jump to 45psi, then slowly drop over the cource of 3-4 minutes to 15psi. when the engine gets hot this time can be reduced to 1-2 minutes. if the key is cycled off and then restarted it will show one pressure, then slowly cycle down again. while i know dash guages can be very inaccurate (as is being illustrated right now) i still like them to be somewhat reflective of whats going on. neither the sender nor the dash guages have chnaged between the motors, and the extra sender i have is shorted, so its not an option.
wondering of anyone else has ran into this? it seems very resistance related.
wondering of anyone else has ran into this? it seems very resistance related.
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