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Old 03-12-2012, 02:13 AM   #1
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You need to look at that again, it is exactly the same wet sump system used on the 986/987 engines......
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Old 03-12-2012, 07:28 AM   #2
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You need to look at that again, it is exactly the same wet sump system used on the 986/987 engines......
Yeah, more like a damp-sump.
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Old 03-12-2012, 09:11 AM   #3
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Yeah, more like a damp-sump.
I'll take damp over wet.

Too bad they only put the good stuff on the big ticket GT1's.
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Old 03-12-2012, 10:40 AM   #4
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Yeah, more like a damp-sump.
damp-sump..? that sounds like a Chinese dish, must be lunch time..

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Old 03-12-2012, 11:22 AM   #5
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The best changed they made in the new engine...and yes you guessed it...they did away with the IMS. Anyway, that is what I was told at the Porsche Dealership.:dance:
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Old 03-12-2012, 12:27 PM   #6
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Allow me to elaborate.
When you browse through the specifications for the 981 & 991 models at the official Porsche website, the following is stated:

Technical Specs - The new Boxster - All Boxster Models - Dr. Ing. h.c. F. Porsche AG

When you do the same for models that are still using the older engine, such as Carrera 4, there is no mention of an Integrated Dry-sump.

So, if this is only marketing mis-information, I got my hopes up for no reason.

I track my car fairly often, and the most common failure mode with non-Turbo/non-GT3 986/987/996/997 cars on the track is due to oil starvation and not the IMS!

This problem first came up around year 2000 when many owners experienced engine failures on the track due to oil starvation. Porsche shot from the hip with a statement that tracking the new cars would void warranty.

There was huge backlash as a result, and they reluctantly revised their position to say that tracking the new cars with non-DOT tires would void warranty.

Of course, the real fix came in form the hybrid oil/water cooled engines in the turbo and GT3 cars.

With the new models, I was excited that Porsche finally went back to dry-sump lubrication by integrating the oil tank inside the crankcase somehow.

Last edited by seventythree; 03-12-2012 at 05:05 PM.
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Old 03-12-2012, 01:18 PM   #7
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The best changed they made in the new engine...and yes you guessed it...they did away with the IMS. Anyway, that is what I was told at the Porsche Dealership.:dance:
They did away with the IMS with the MY 2009 engine redesign.
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