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Old Oct 16, 2003 | 08:28 PM
  #1  
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Oil Pressure Drop

Hello all,
New to this forum. I have a 1978 F-250 with a 351M and C6 auto, bone stock, 165,000 miles. Starts first click of key every time.
All of a sudden, I am losing oil pressure at least my stock guage tells me , it runs in the normal range then all of a sudden, it will drop below L, never to return. I am thinking sender but what other area shold I test to see if I truly am dropping oil pressure.
Almost rebuild time anyway... Thanks.
 
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Old Oct 16, 2003 | 10:21 PM
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Moved to proper forum.
 
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Old Oct 17, 2003 | 04:51 AM
  #3  
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Connect a mechanical gauge in place of the factory sender. Hopefully, it's only in the gauge (or wiring) and not really losing all the oil pressure.
 
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Old Oct 17, 2003 | 10:50 AM
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Ok I got a gauge to install. Where is the stock sending unit located? Is the stock one electrical? Thanks.
 
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Old Oct 17, 2003 | 03:09 PM
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The stock sending unit is electric.

Oil pressure sending unit is located on the top rear of the block, behind the intake manifold.
 
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