IMS installed without seals?
 

I understand the later M96 with big bearing can have their rear seal removed for splash lubrication (often done during a clutch job). However, why not do this for early small IMS bearing engines? Does the bearing not sit below the oil level in the sump? I imagine if one were to do this, it would be best to install a new bearing without seals on both sides for best oil flow through the bearing.

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If you purchase a quality retrofit kit, the bearing would only be sealed on the shaft side right out of the box. The shaft side seal is important to prevent flooding the shaft with oil.

Okay, so are you saying no seal on the outside is okay? As far as I can see, the retrofit kits I am familiar with are fully sealed like the OE bearing.

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Check post #9 in this thread
http://986forum.com/forums/boxster-general-discussions/74142-my-blue-boxster-refurb.html
Some discussion here
http://986forum.com/forums/performance-technical-chat/79410-running-stock-ims-bearing-without-seal.html
Interesting thread, my 2 cents worth in post #60
http://986forum.com/forums/boxster-general-discussions/74909-sick-ims-bearing-4.html

Quality units, like the LN retrofits, the outside is not a full seal, it is designed to let the engine oil mists lubricate the bearing, while blocking any debris from entering the bearing.

Grant and Jeff, thank you for the excellent responses. I have been on this forum for nearly a year, but I did not see all of which you referenced. I have a low mileage 97 and will likely just pull the seal, provided I see no signs of degradation. Otherwise, new IMSB...