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      11-17-2017, 07:57 AM   #8
deansbimmer
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Drives: 2011 E93 M3
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Quote:
Originally Posted by Duk996 View Post
I guess that's what I was hoping to hear, maybe even from VAC themselves as I have seen them post before. I haven't seen anyone show VAC bearings fail and would love to buy them and use them. I just want to be sure I understand their intent.
I haven't seen anyone post anywhere with details after having used VAC main bearings. Only their rod bearings. Their mains are coated OEM bearings. The problem is that there is NO one-size-fits-all solution for mains. Not only is journal clearance important, but bore alignment is a critical component and overlooked by many. Slapping in a set of VAC bearings without making the necessary adjustments elsewhere will be a recipe for disaster.

The people using these products or who have the necessary experience to be able to teach are usually too busy working in the shop cranking out engines to take the time to post on internet forums. Sadly, when they do the keyboard warriors chime in and pick apart their input until the experts have enough and leave again. I see it happen all the time.
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