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Old 12-17-2016, 05:39 PM
X53Jay4.8is X53Jay4.8is is offline
Join Date: Jun 2015
Location: Southlake, Texas
Posts: 2,085
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Originally Posted by wpoll View Post
The plate IS structural in that it stops the sub-frame from twisting under torsional load. It works in a similar way to a diagonal brace on wall framing in a house. It doesn't need to be super thick or strong to stop diagonal distortion of the sub-frame but the mounting bolts DO need to hold it place very tightly to allow it to do its job.

This is why some folk get creaking from the plate when the bolts aren't tight - the plate is pulling sideways on opposite corners and the bolt-to-plate joint creaks and groans.
Okay got it. When I think of structural I am under the impression that the without it the structure is going to fail during use. So without this stiffening plate will the structure of the X5 bend and twist thus making it unsafe to operate or is it just there for more added support?
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