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Port and shim oil pump or leave it alone?

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Old 02-26-2013, 10:52 AM
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Default Port and shim oil pump or leave it alone?

I'm doing a cam swap for a friend of mine and while I've got it apart I've been thinking about pulling the oil pump, porting and shimming it, replacing the o ring and putting it back. He doesn't want to replace it because hes on a tight budget and it did work fine 60lb cold, 40lbs hot, 2000 LS1. I've watched on youtube guys cleaning up the inlet and putting nuts or washers under the spring. What do you guys think, do it or leave it alone?
Old 02-26-2013, 10:56 AM
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If your not gonna replace it I'd just change the pick up tube oring and put it back.
Old 02-26-2013, 11:04 AM
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Sent my stocker to New Era for a port.... No problems here...
Old 02-26-2013, 11:18 AM
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Originally Posted by MonmouthCtyLS7
Sent my stocker to New Era for a port.... No problems here...
I would consider a new one already ported by TSP or SLP, or else I would leave it alone.
Old 02-27-2013, 05:38 PM
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Originally Posted by VandykeT/A
I'm doing a cam swap for a friend of mine and while I've got it apart I've been thinking about pulling the oil pump, porting and shimming it, replacing the o ring and putting it back. He doesn't want to replace it because hes on a tight budget and it did work fine 60lb cold, 40lbs hot, 2000 LS1. I've watched on youtube guys cleaning up the inlet and putting nuts or washers under the spring. What do you guys think, do it or leave it alone?
Just replace it with a new Melling #M295 and call it a day.
Old 02-27-2013, 05:56 PM
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Originally Posted by JPH
Just replace it with a new Melling #M295 and call it a day.
I agree. M295 is reg pressure reg volume.



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