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Author Topic: oil pressure? NvrGoFullRetard CAFords OG Member # 1633 posted                                 anyone ever see or hear of a motor have perfect oil pressure and at a stoplight when the car leaves the line oil pressure will drop for a sec and shoot back to normal and be like that until another stoplight and be normal again and repeats this process once in a while -------------------- "formally 4.6 eatin gm's" white 97gt n/a 320rwhp/325rwtq 01 sierra rcsb lsx 408 (murdered out) 03 ecsb sierra 6.0 on 22's 2011 Tahoe Posts: 2759 | From: PITTSBURG/FAIRFIELD | Registered: Aug 2002  |  : JohnB Tech Moderator Member # 969 posted                              Yup, but this typically only happens if the oil level is low, with the oil flowing away from the oil pump pickup for a moment. How much of a drop are you seeing? -------------------- 1965 Shelby Cobra 1993 Cobra 2012 F150 Raptor 2020 GT500 Posts: 6523 | From: Orlando FL/Redding CA | Registered: Mar 2002  |  : NvrGoFullRetard CAFords OG Member # 1633 posted                                 alot.i have the stupid stock gauges for now,but i will be changing the oil tommarrow and i have to resize my dipsticl on the car cuz its not reading accurate with the new 7 qaurt pan on it -------------------- "formally 4.6 eatin gm's" white 97gt n/a 320rwhp/325rwtq 01 sierra rcsb lsx 408 (murdered out) 03 ecsb sierra 6.0 on 22's 2011 Tahoe Posts: 2759 | From: PITTSBURG/FAIRFIELD | Registered: Aug 2002  |  : mtbaughs Road Racer Member # 4052 posted                              Sounds like you might be cavitating the pickup. Did you measure for clearance when you installed it? If it's too close to the pan you can run into trouble -------------------- R.I.P. Charlie Bruno Dec 2001 Posts: 2019 | From: Boise, Idaho | Registered: Jan 2004  |  : JohnB Tech Moderator Member # 969 posted                              You did use the correct oil pump pickup for the 7 qt pan...right? -------------------- 1965 Shelby Cobra 1993 Cobra 2012 F150 Raptor 2020 GT500 Posts: 6523 | From: Orlando FL/Redding CA | Registered: Mar 2002  |  : NvrGoFullRetard CAFords OG Member # 1633 posted                                 yes,it is the ford motorsport high volume oil pump and the 7 qaurt canton oil pan.the motor was put togther as a long block with pan on it.i did the rest of the install.tomarrow ill get under the car and check things out and also drain the oil just to make sure.the new motor has about 1200 miles on it so far and this is the first that i noticed this prob. -------------------- "formally 4.6 eatin gm's" white 97gt n/a 320rwhp/325rwtq 01 sierra rcsb lsx 408 (murdered out) 03 ecsb sierra 6.0 on 22's 2011 Tahoe Posts: 2759 | From: PITTSBURG/FAIRFIELD | Registered: Aug 2002  |  : NvrGoFullRetard CAFords OG Member # 1633 posted                                 i changed the oil and i was about a quart low and the oil sending unit plug wasnt on all the way. i drove it and it works fine -------------------- "formally 4.6 eatin gm's" white 97gt n/a 320rwhp/325rwtq 01 sierra rcsb lsx 408 (murdered out) 03 ecsb sierra 6.0 on 22's 2011 Tahoe Posts: 2759 | From: PITTSBURG/FAIRFIELD | Registered: Aug 2002  |  :

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