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Old 03-20-2010, 01:31 AM
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I just put me ls1 back together again. And the oil press. is only 20 pounds, and will go down after it warm. All i did was mill the heads,polish the crank, and add new bearings,rings,new timing chain.
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Old 03-20-2010, 12:48 PM
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Originally Posted by Mrs.Nos
I just put me ls1 back together again. And the oil press. is only 20 pounds, and will go down after it warm. All i did was mill the heads,polish the crank, and add new bearings,rings,new timing chain.
nobody can help me???
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Old 03-20-2010, 04:09 PM
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need some help
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Old 03-20-2010, 07:20 PM
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Did you try the mechanical gauge yet? You have to find out if it is real or just a gauge problem. Try asking in the Gen3 internal forum.
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Old 03-20-2010, 07:20 PM
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Wrong forum.

Moved from Advanced Tech to General Maintenance.
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Old 03-20-2010, 07:21 PM
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Check the o ring on your oil pump.
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Old 03-20-2010, 07:41 PM
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Put a real gauge on it before you do anything else.
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Old 03-20-2010, 09:10 PM
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Originally Posted by fleetmgr
Put a real gauge on it before you do anything else.
I put a real gauge in the oil pan peace that you cam unbolt. and it reads the same. Thank you four your help
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Old 03-22-2010, 09:18 AM
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help!!!
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Old 03-22-2010, 12:09 PM
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If you have that pressure with a real gauge, then you very likely have bearing clearance problems, possibly from the polishing you did.

Did you check the clearances as you assembled it?
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Old 03-22-2010, 02:56 PM
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Pull it back apart and look at the o-ring on the pickup to the pump. If you didn't install it correctly and pinched it, it will bleed off pressure.
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Old 03-22-2010, 08:54 PM
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Originally Posted by fleetmgr
If you have that pressure with a real gauge, then you very likely have bearing clearance problems, possibly from the polishing you did.

Did you check the clearances as you assembled it?
Yes we did. It was in the middle of clearances, that it called for
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Old 03-22-2010, 08:55 PM
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Originally Posted by NBM-LS1
Pull it back apart and look at the o-ring on the pickup to the pump. If you didn't install it correctly and pinched it, it will bleed off pressure.
Should I just order a new o-ring and pump? Have you herd of the cam retainer plat gasket leaking past?
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Old 03-23-2010, 06:19 PM
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Just put a new o ring on it and be done. I doubt that your pump is gone from this.
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Old 03-24-2010, 08:24 AM
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It is probably your O ring on the oil pump pickup ..replace it and be careful when you do or you will have the same problem again.
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Old 03-24-2010, 09:14 AM
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Ok we will be getting a new pump in. we will asla going to change the cam plate,o-ring and pump. Wish me luck. You can come help if you want
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