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View Poll Results: IMSB Replacement Failure
Original IMSB working fine 39 55.71%
Original IMSB failed 1 1.43%
LN ceramic IMSB working fine 17 24.29%
LN ceramic IMSB failed 0 0%
Other IMSB replacement working fine 12 17.14%
Other IMSB replacement failed 1 1.43%
Voters: 70. You may not vote on this poll

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Old 02-18-2017, 08:52 AM   #1
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Have replace two the the LN ceramic bearing. Boxster S about 4 years ago and have put 30k on it since and the Carrera about 8 months ago and have put on 3k. Both had the seals fail and the grease wash out.
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Old 02-18-2017, 09:07 AM   #2
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31,000 on a rebuild with a new LN ceramic kit. About 40-50% of mile on track. However there were many improvements made and a lot of weight dropped inside the engine while rebuilding.
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2003 Black 986. modified for Advanced level HPDE and open track days.
* 3.6L LN block, 06 heads, Carrillo H rods, IDP with 987 intake, Oil mods, LN IMS. * Spec II Clutch, 3.2L S Spec P-P FW. * D2 shocks, GT3 arms & and links, Spacers front and rear * Weight reduced, No carpet, AC deleted, Remote PS pump, PS pump deleted. Recaro Pole position seats, Brey crouse ext. 5 point harness, NHP sport exhaust
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Old 02-18-2017, 12:05 PM   #3
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Quote:
Originally Posted by Porsche9 View Post
Have replace two the the LN ceramic bearing. Boxster S about 4 years ago and have put 30k on it since and the Carrera about 8 months ago and have put on 3k. Both had the seals fail and the grease wash out.
I have never seen a sealed LN ceramic bearing, or one with grease in it.....
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Old 02-18-2017, 04:36 PM   #4
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Quote:
Originally Posted by JFP in PA View Post
I have never seen a sealed LN ceramic bearing, or one with grease in it.....
I'm referring to the original bearings.
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