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no oil pressure at idle

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Old Aug 31, 2008 | 09:24 AM
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Default no oil pressure at idle

99 ls1 new stroker kit new bearings new cam new Doubble roller timming chain
new oil pump and oil pickup o-ring had block cleaned . 2psi oil pressure at idle
pressure goes up as rpms goup 40psi max.
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Old Aug 31, 2008 | 10:51 AM
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sounds low . not sure what the rule of thumb is 5psi for every 1k rpm or is it 10psi for every 1k rpm .
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Old Aug 31, 2008 | 11:43 AM
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No that is way low did you put a manial gauge on it?
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Old Aug 31, 2008 | 07:04 PM
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I'd put a manual gauge on it asap and check it that way. Assuming that the motor has been rebuilt, was the rear galley plug removed and not put back in place?
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Old Aug 31, 2008 | 07:11 PM
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maybe that damn o-ring has been pinched...
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Old Aug 31, 2008 | 07:13 PM
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10 psi per 1k rpm
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Old Aug 31, 2008 | 07:37 PM
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checked o- ring 3times i have a feeling that it might be the rear galley plug does anbody
have a photo . this is my first ls1 rebuild. Have rebult many other motors yes i put manual gauge on
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Old Aug 31, 2008 | 07:52 PM
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No, but you have to drop the transmission. There was another member on here that put a new motor in and didnt have it installed. I remember seeing a picture of it then.
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Old Aug 31, 2008 | 09:05 PM
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thank you i guess i will be pulling the trans
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Old Aug 31, 2008 | 09:16 PM
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I read somewhere the you can see if the "plug" is installed by removing the plate above the oil filter.
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Old Sep 1, 2008 | 07:49 PM
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just got done pulling the trans. guess the rear galley plug missing in action started motor 60psi at idle 70psi at 1500rpm thank you all for the info.
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Old Sep 1, 2008 | 07:51 PM
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Good to hear that worked out for you.
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Old Sep 1, 2008 | 08:35 PM
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Originally Posted by tjhoenle
just got done pulling the trans. guess the rear galley plug missing in action started motor 60psi at idle 70psi at 1500rpm thank you all for the info.
Great news! Glad it worked out.
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