[s-cars] update on not replacing rod bearings
Mike Fitton
rfitton at vt.edu
Mon Nov 16 18:59:41 PST 2009
So you guys successfully talked me out of doing the rod bearings
preemptively. Stories of 300k on factory bottom ends were encouraging.
Just went out and decided to get started on removing and replacing the
windage tray and old oilpan gaskets. Get the windage tray down and I
find one of my main bearing cap bolts sticking down about 1cm. It's
hand-loose and I'm able to take it out easily. Only the top few threads
are engaged. I'm assuming it bottomed out against the windage tray and
that kept it from dropping down into the crankcase and allowing all hell
to break loose. I heart you, windage tray.
So wtf, says I. I suppose my first step is to tighten it back up. Get
out trusty 17mm socket, one handed, down at the base. Head twists right
off. WTF, says I. There was just enough of the threaded shank sticking
out for me to grab on with some locking pliers and get the rest of the
bolt out. But seriously, wtf?
Aside from all that, it looks just fine in there. Almost no sludging in
the oilpan and certainly no metal shavings. Very clean, and I think a
testament to long-term use of Mobil 1, admittedly at the low end of
premium motor oils.
The bearing cap looks on straight and everything. I can get a new
factory bolt at the dealer for circa $2.30. Do I just pop a new one
back in and consider myself lucky to have peeked in there? Or...or
what? I'm starting to really lose it and don't trust myself at all to
make rational judgment calls when it comes to this car right now.
-Cheers!
Mike
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