LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

oil pump and oil pan question

Old Apr 11, 2005 | 07:28 PM
  #1  
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oil pump and oil pan question

I'm building a forged 383 with LE3 heads/cam and was wondering what oil pump and pan i should go with. Are stock replacements good enough or do i need a high flow pump?
Old Apr 11, 2005 | 09:11 PM
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Re: oil pump and oil pan question

most of what I've seen in here, guys or going with a stock oil pump with the white replacement spring.
Old Apr 11, 2005 | 09:32 PM
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Re: oil pump and oil pan question

where do you get the replacement spring?
Old Apr 12, 2005 | 02:18 PM
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Re: oil pump and oil pan question

The stock pan and oil pump are fine, with a few cautions....

-a 383 crank may require some minor tapping of the pan with a hammer. Not sure about a 396, but it would probably be tighter.

-you need a windage tray.

-the oil pump should be new, and "blueprinted".... clearances per specs, all burrs removed, etc.

-pickup should be tack welded after verifying you have the correct clearance to the pan.
Old Apr 12, 2005 | 06:35 PM
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Re: oil pump and oil pan question

isn't ther already a windage tray with the factoy set uo?
Old Apr 12, 2005 | 06:43 PM
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Re: oil pump and oil pan question

the stock tray mounts to 3 studs off of the main bearing caps. i had major issues with my pan/383 setup and ended up getting a canton pan. The stock oil pump is fine, but you do want to buy a new one. I have a brand new meling pump that i didnt end up using (long story) that i will sell for 25$ if you are interested.
Old Apr 12, 2005 | 07:28 PM
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Re: oil pump and oil pan question

why did you opt for a factory replacement over the meling?
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