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09-14-2013, 03:00 PM | #23 |
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I also must thank you for your comments on that doozie of a thread. I am now armed with more knowledge to make sure my car lasts forever. Much appreciated good sir!
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09-14-2013, 04:47 PM | #24 | |
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It would be a shame if that reduces the life of my engine, but that's the game of chance I'm playing to protect myself against BMW denying me any potential major warranty claims. |
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09-14-2013, 05:14 PM | #25 |
never could compete with Lloyd Braun
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I just started as an applications engineer at a global bearing company! So keep up the posts; it gives me an excuse to be on the site at work I'll tell em it's supplemental training.
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09-14-2013, 07:57 PM | #26 | |
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09-14-2013, 08:20 PM | #28 |
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Personally I enjoy the conversation and I have to admit, some of the points about oil weight are extremely compelling despite my initial "outrage".
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09-15-2013, 07:14 AM | #29 | |
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09-15-2013, 05:44 PM | #31 | |
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09-15-2013, 08:37 PM | #32 |
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I love reading your posts. I learn something everytime and they force me to think. Keep 'em coming
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09-15-2013, 10:33 PM | #34 | |
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Last edited by thekurgan; 09-16-2013 at 08:18 AM.. Reason: bad speller |
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09-15-2013, 10:54 PM | #35 | |
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Very informative! Based on this info, if one were to use 2 Red bearings, we would gain another .00015" clearance? That would be a 15% increase? |
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09-16-2013, 03:27 AM | #36 |
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09-16-2013, 07:34 AM | #37 |
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Keep them coming BMRLVR! People like you who contribute in educated and concise manner are the reason why I keep coming to this otherwise marketing forum.
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09-16-2013, 08:58 AM | #38 |
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Alright. I've been silent on this issue but now have some noob questions. Is this a cold engine start up issue primarily or throughout? My car is in a warm garage always NEVER tracked and is only driven about 5.5k miles a year. Is this is an issue I should be worried about? I plan on this M3 being the first car I've kept for a significant period and want it to last accordingly. I know 10w60 is a thick oil but since I'm garaged and don't track, I don't really see this as a problem. Do you?
I got enough shit to worry about( some valid and some invalid) blowing up a $25k engine shouldn't be one more thing.
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09-16-2013, 09:18 AM | #39 | |
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09-16-2013, 09:25 AM | #40 | ||
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09-16-2013, 02:03 PM | #41 | |
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At what interval would you recommend one to do it? 50K? 75K? Does the risk of failure (not doing anything) outweigh the risk of opening the motor and changing bearings? I assume there's always risk doing something like that. Thanks.
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09-16-2013, 02:09 PM | #42 |
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Hmm, am I understanding this incorrectly then? Here is the script from reading the Clevite paper:
"Note: Use of a dial bore gauge is always the recommended method for measuring oil clearance. Instead of measuring journal diameter and then measuring installed bearing diameter, zero the bore gauge at the actual journal diameter. When you measure bearing diameter, you’ll obtain a direct clearance reading without the need to perform math procedures, avoiding potential math mistakes." Based on that, the clearance is the direct difference between the journal diameter and installed bearing diameter and not the radius. If that's the case, then we should gain .00015", right? Can some one confirm this math? |
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09-16-2013, 02:43 PM | #43 | |
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I think If I were replacing the bearings I would measure up the Vac coated bearings. Just because they have a .0002" coating doesn't necessarily mean they will reduce clearance by .0004". It's possible they will be exactly the same thickness as the oem bearings. Some coatings soak into the surface by the same amount as the thickness of the coating. You will only know by actually measuring them. |
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09-16-2013, 02:49 PM | #44 | |
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