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Randy (guest)
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A clutch replacement is on the horizon for my 911 turbo 2002. Just want to know if this engine is also prone to IMS issues. I am aware that the rear main seal needs to be replace also during that time. What is a Metzger engine? Thanks, Randy.

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Old 05-18-2015, 11:04 AM
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Your engine does not have IMS Bearing issues. The Mezger engine is the tried and tested Porsche dry sump engine crankcase design which has been used and abused and just keeps on going.

Here is a little article which outlines some of Mezger's work.
http://jalopnik.com/who-was-the-greatest-engine-designer-in-automotive-hist-1517665150

- Casey
Old 05-18-2015, 11:04 AM
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Turbos are the only 996 without the famous IMS issue.
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Old 05-20-2015, 07:17 PM
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Quote:
Originally Posted by Nico911 View Post
Turbos are the only 996 without the famous IMS issue.
Correction: GT2's and GT3's are on the list too.
Old 05-20-2015, 08:43 PM
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Hans Metzger was an engineer at Porsche factory.

He's the father of the well known GT1 le Mans engine ,

The GT3 and Turbo 996 are equiped with the same crankcase.

No IMS issue to be afraid with it.
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Old 05-22-2015, 04:28 AM
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FWIW...Mezger...no T

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Old 05-24-2015, 10:55 AM
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