04-28-2021, 09:49 AM
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#3019
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Senior Member
Join Date: Aug 2011
Drives: '12 C63 P31, '23 GRC
Location: NC
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Quote:
Originally Posted by ZDan
Was somewhat more of a 986/996 problem much more so than 987.1/997.1. Earlier dual-row bearings and later bigger 9x7.1 single-row bearings had a lower failure rate. 2001-2005 according to my sources had the highest failure rates, reportedly on the order of 8-10%.
https://www.oregonpca.org/ims-saga/
https://www.sportscarmarket.com/colu...porsche-owners
Add to the IMS failures D-chunk, bore-scoring, and poor oiling (one of our own lost his 987.1 Cayman S to this), those engines were kinda garbage...
Different league of problem levels vs. 1qt/1000 mile oil consumption. |
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Current: 2023 GRC Circuit Edition, 2012 C63 AMG P31
Past: (2) 2000 MR2 Spyder, 2017 GTI Sport, 2006 Porsche Cayman S, Supercharged 2013 BRZ-L, 2007 Honda S2000, 1992 Integra GS-R
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