Herb, I replaced the inner and outer sills as well as floor panels on my BJ8.
Engine and transmission were left in place. Prior to the change I could not
open the doors if already closed when the car was on my two post lift due to
chassis flex. All measurements were recorded and I expected a much improved
operation of the doors after the change. That was not the case. Even though
the frame looked good externally it was obviously compromised by rust
internally. I listened to a lot of opinions about a fix and finally decided
to replace the frame. The car now has no flex, the doors work perfectly and
the car drives like I think it should. I will be glad to talk with you either
here or off line. Changing the frame is not a low cost proposition but it is
by far the best solution in my opinion if you experience problems caused by a
flexing frame.
Gale Hess
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