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low Oil pressure

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Old Mar 21, 2013 | 08:59 PM
  #1  
67motion's Avatar
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Joined: Mar 2013
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low Oil pressure

What will cause the oil pressure to drop to near 0 psi after the engine get up to temp, it is 40psi cold. the engine is a 305 tpi and I do not know how many miles are on the engine. There is no smoke or odd noises and the odometer shows 114,000 miles. engine runs good
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Old Mar 21, 2013 | 09:06 PM
  #2  
Apeiron's Avatar
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Joined: Jan 2000
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Re: low Oil pressure

Try a new sending unit.
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Old Mar 21, 2013 | 10:06 PM
  #3  
Rob's 92 gta's Avatar
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Joined: Aug 2009
Posts: 156
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From: newport news va.
Car: 92 firebird gta
Engine: L98 with minor mods.
Transmission: 700r4
Axle/Gears: 3.23
Re: low Oil pressure

You can also run a after market gauge from the port of the sending unit just for testing the stock gauge also. The after market gauges are alot more accurate anyway.
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