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Spin On Oil Filter Adapter

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I have a 2004 996TT w/X50. Just bought the spin adapter to replace the OEM cartridge filter set up. Prior to installing I would like some feedback re whether or not the oil circulation will be diminished using the "spin on" filter over the OEM and consequently opening the door to potential engine wear and or damage.

Comments will be appreciated.


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Never heard of this modification before and I never heard of a filter that will fit in this position. Also I always open my filter to see if there are any metal particles in them. If it is a metal canister that make the job more difficult.. It is so simple to replace the oem filter has it is, I don't see the advantage + it is easily accessible.... I prefer to stay away from this type of mods, after all we are talking about the lubrication which is vital for a combustion engine

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There is nothing wrong with a spin on filter, and in fact, there are many things about it that are better than most of the cartridge OEM style filters. First, I will assume you have the correct one for the Metzger engine (the one for the M96/97 engine 996 is different). The spin on filter can have as much as 30% smaller pore diameters than the OEM cartridge and provides better filtration than the OEM filters, and because it is metal end capped, there is no chance of the end caps coming loose as OEM glued caps sometimes do, which allows unfiltered oil to circulate. Your choice of filter media is much wider with spin on filters as they can be obtained with treated paper or totally synthetic filter media, which is not an option with OEM style filter. The spin on is "full flow", meaning the oil is filtered 100% of the time (no by-pass to stick open and allow unfiltered oil to circulate). Spin on filters will not crack like the plastic OEM filter housing, although this is more important to the M96/97 engines where the filter is down low under the car and can be hit by debris thrown off the tires or bouncing up from the road surface. A tool is available from multiple sources to cut open the metal housing of the spin on for filter media examination as well.

We have used spin on filters on many of our customer's cars for years, never had a problem with any of them.

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I didn't know and never saw one. Can you give me a link to one of those or a part# to search. Thanks for the info J.F....

The ones we use are by LN Engineering: http://www.lnengineering.com/spinonfilteradapter.html

Note the different styles for the model years and turbo (Cayenne)/non turbo applications. Another great product from them are their magnetic oil plugs which have a powerful neodymium magnet that will pick up any ferrous debris from the oil. They also sell kits that include everything you will need; filter, adaptor, and the magnetic drain plugs with washers as well.

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I'm not sure those LN kits work on 996TT/GT2 or GT3.

Best check with them as it is a very different filter mount from the normally aspirated engines.

LN has a specific kit for the Cayenne Turbo only, not for the 996TT, which is why I mentioned I was assuming he had the correct adaptor in my original post as Loren is correct on the fitment, the turbo cars are different. I have read on another site that someone else makes them for the turbos, Automotion if memory serves.

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It would appear that some of you are correct. Just reread the LN specs and the read as follows:

Fits 986/987 as well as 996/997 models and replaces Porsche part numbers 996 107 020 53 (54, 55). For MY97-08 vehicles with M96 or M97 engine designation. Does not fit GT2, GT3, or Turbo models or any aircooled models. Design only for MY97-08 vehicles with an M96/M97 engine. Uses Napa Gold 1042 filter only. This is the only recommended oil filter.

I guess my 2004 996TT X50 will have to continue with the cart until LN makes another model or the information is updated to show the adapter does work with the 996TT.

Thanks for all the input!!

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