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Oil Pressure Temporarily Drops On Acceleration |
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WesternRed
AMC Addicted Joined: Aug/03/2010 Location: Australia Status: Offline Points: 5808 |
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Shim the oil pressure relief spring and see what happens.
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I've finally given up drinking for good...........now I only drink for evil.
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JGRANTAMX
AMC Addicted Joined: Jun/02/2017 Location: Maine Status: Offline Points: 1703 |
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I would think that because the problem changes with angle of the pan up or down hill somehow the oil level goes down enough to effect pickup, if it was my engine the concern would be what RPM does the pressure dip happen and does the oil pressure drop low enough to cause bearing wear? That engine has a windage tray I would think crank whipped aeration would be low on the list as a cause. It would be interesting to see a video of what's happening I wonder if anyone has come up with of a drain plug fitted end scope camera that would be cool.
J
Edited by JGRANTAMX - May/17/2022 at 4:19am |
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Boris Badanov
AMC Addicted Joined: Dec/14/2013 Location: NH USA Status: Offline Points: 4210 |
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I believe if you move the pickup to the aft center corner of the pan all will be good.
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Gremlin Dreams
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bwamx
AMC Apprentice Joined: Mar/27/2012 Location: CT Status: Offline Points: 143 |
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Nobody has asked I don't believe . Did you check or verify the location of the oil pickup to the bottom of the pan ?
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73 Jav-AMX " The Black Widow"
358cu/in Crossram T-10 9" Rear |
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68-73 amx
AMC Addicted Joined: Jun/14/2012 Location: Pa. Status: Offline Points: 532 |
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And you need 1/2 clearance pickup to pan with a Canton pan.
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Rebel Machine
AMC Addicted Joined: Jul/03/2007 Location: Western Il Status: Offline Points: 5121 |
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Yes, used clay to measure and make sure it's not sitting against the bottom of the pan. -Steve-
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Steve_P
AMC Addicted Charter Member Joined: Jun/28/2007 Status: Offline Points: 3808 |
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Regardless of all the hypothesis here, 40PSI is totally sufficient. Drive and don't worry about it
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Steve_P
AMC Addicted Charter Member Joined: Jun/28/2007 Status: Offline Points: 3808 |
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If he has 56 PSI and it drops to 40 PSI when he floors it, please explain how the pressure relief spring is an issue? (it's not) It was just 56 PSI two seconds prior.
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