Quote:
Originally Posted by Bmwdoubles_
I saw a post from 2018 kinda of around this issue but not as detailed as that video. Those guys show pretty good proof the the number 1 upper bearing is taking a heavy load explaining that the S85 doesn’t see that due to a single chain as opposed to the S65’s double.
I appreciate what you and your team do. Can you elaborate a little more as to why this wouldn’t be the culprit or why this not a preventative maintenance item?
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if you want to spend 15-20K for a engine out rebuild. you can. lol
people need to remember these are race engines. they wear out faster than a normal engine would, especially a high revving low displacement V8.
so yes, the main bearing is NOT a CHEAP preventative maintenance item.