Quote:
Originally Posted by pothole
Guys, apologies if this has been covered to death.
Is there a definitive date for when the larger IMS bearing was introduced in the 987?
I think it was some time in 2005. Would it be correct to assume that any 987 manufactured in 2006 has the large single-row bearing?
Thanks.
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It has been, and "search" is your friend when you need information.
That said, 2005 was a transitional year, some cars came with the oversized bearings, others did not. And there is no way of telling which one is in a given car without taking it apart to look. In 2006, all cars had them. Replacement engines installed after 2004 should also be suspect.