5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

What is good oil pressure?

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Old 03-22-2006, 09:40 PM
  #11  
ptown87
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Default RE: What is good oil pressure?

My oil pressure was terrible. When hot it would drop to 9 psi. Last week i put in a new oil pump, pickup screen, crank and bearings. Now am at 50 when on throttle and 40 when at idle(hot).

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Old 03-22-2006, 09:48 PM
  #12  
MidnightBlue5.0
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Default RE: What is good oil pressure?

Mines 60 at idle and 70ish at WFO. I do have a 8 quart oil pan and stuff so that could be the reason why its high..
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Old 03-22-2006, 10:07 PM
  #13  
marx91
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Default RE: What is good oil pressure?

when your on the throttle, as long as it goes up to 50 or 60 you should be ok
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Old 03-22-2006, 10:12 PM
  #14  
g2_5point0
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Default RE: What is good oil pressure?

how's the stock oil pressure guage? decently accurate or what?
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Old 03-22-2006, 10:13 PM
  #15  
FiveLiterRiceEater
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Default RE: What is good oil pressure?

mine went up to 10 once, when i floored it down a steep hill in 3rd gear. hahaha
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Old 03-22-2006, 10:16 PM
  #16  
1990mustanggt
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Default RE: What is good oil pressure?

When I first crank mine it sits at 90 PSI At idle. After it warms up it sits between 60 or 70 PSI while driving down the road, and 30 PSI at idle. I have a high pressure oil pump and 7qt oil pan.
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Old 03-22-2006, 11:34 PM
  #17  
Tims 88GT
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Default RE: What is good oil pressure?

35psi idle warm, 62psi on it warm
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Old 03-23-2006, 10:24 PM
  #18  
firststang@17
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Default RE: What is good oil pressure?

When i get on it it does junp to 60 psi. Im reading the oil pressure via Autometer gauge
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