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Gutting oil pump. Remove inner ring, outer ring or both???

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Old Jan 2, 2003 | 03:57 PM
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Derek 357i's Avatar
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Default Gutting oil pump. Remove inner ring, outer ring or both???

I am running a 5 stage dry sump Barnes oil pump and need to disable the factory pressure pump. I would rather not run either ring in there since there will be no oil in there to lubricate them. I haven't torn apart the front of an LS1 yet, so I don't know if there is another seal between the factory oil pump and the balancer.
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Old Jan 3, 2003 | 04:25 AM
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Default Re: Gutting oil pump. Remove inner ring, outer ring or both???

The front crank seal is in the front cover, and seals to the damper itself.

With a dry sump setup you souldn't even need the factory pump. Why are you putting just the case in??

Feed the motor from the stock oil filter outlet port and you souldn't even need to plug the pump to filter galley.
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Old Jan 3, 2003 | 05:29 AM
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Default Re: Gutting oil pump. Remove inner ring, outer ring or both???

</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by y2khawk:
<strong> The front crank seal is in the front cover, and seals to the damper itself.

With a dry sump setup you souldn't even need the factory pump. Why are you putting just the case in??

Feed the motor from the stock oil filter outlet port and you souldn't even need to plug the pump to filter galley. </strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">I talked to Gary Armstrong, who makes the dry sump pan I am using and he informed me I needed to plug the main oil galley where the oil comes out of the factory pressure pump into the block. Because I am not working on a bare block, but rather an assembled engine, he said I could just plug the pressure out port on the pump and run just the shell of the pump. He also recommended plugging the pump to filter galley.

That said, what you are saying makes complete sense. With the oil being fed directly from the remote filter housing into the stock oil filter outlet port, the factory pressure galley has no flow. I will run the plug on the pump to filter galley, otherwise I would have an open port into the engine from outside the engine.

Thanks for the info.
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Old Jan 3, 2003 | 07:19 AM
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Default Re: Gutting oil pump. Remove inner ring, outer ring or both???

That makes sense <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />
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