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

oil pump pickup height?

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Old May 15, 2010 | 12:34 AM
  #1  
z28beast's Avatar
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From: East Detroit/Macomb, MI
oil pump pickup height?

ok so i have no idea how to set the oil pick height off the bottom of the pan! is there a trick or something? i just went out there and tried it....i got what i thought would be a 1/4inch off the bottom of the pan welded the pick up to the pump...when i went to install the pan the pick up was hitting the pan and was about 1/4 past where it should be...how do i do this rite....btw my engine is on a stand! please help me someone since idk wtf im doing
Old May 15, 2010 | 12:57 AM
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From: East Detroit/Macomb, MI
Originally Posted by z28beast
ok so i have no idea how to set the oil pick height off the bottom of the pan! is there a trick or something? i just went out there and tried it....i got what i thought would be a 1/4inch off the bottom of the pan welded the pick up to the pump...when i went to install the pan the pick up was hitting the pan and was about 1/4 past where it should be...how do i do this rite....btw my engine is on a stand! please help me someone since idk wtf im doing
also forgot....im using a melling 10554 with white spring and the felpro blue oil pan gasket
Old May 15, 2010 | 05:11 AM
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Put the pick up tube on the pump. Set some clay or playdo on the pickup tube. I would take some tape and put over the pickup so it doesn't get in it. Set the gasket on then push on the pan. Remove pan and measure the thickness. I believe it has to be a 1/4 of a inch to 3/8's
Old May 15, 2010 | 08:14 AM
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From: Kantuckee Yo'
Here is how I did it.
Put the pump pickup on the pump and position it downward so it is obviously much too low. Bolt the pan on in the four corners and the pickup will be forced upwards by the pan. Once the pan is on and the four bolt are tightened, the pickup will now be dead flush with the bottom of the pan.

I then put a small magnetic level on the bottom of the pickup. It goes on the lower most round pickup section, not the scoop if you are using the OEM pickup. If you measure off the scoop, it will be higher than desirable.

Using a ruler and placing it under the machined part of the block where the pan bolts on, you can now take a measurement of the current position of the pickup via the magnetic level.

Raise the pickup 1/8" to allow for the gasket once you verify the thickness of the gasket you are using. Raise it another 1/8" to bring the pickup to a final its final height at 1/4" off the pan floor.


Check it with clay if it need the piece of mind. It should be good.
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