Loud Knocking Diagnosed - Spun Bearing:(

[mike]

looks like scrap to me...use them as paperweights and
go get a replacement crank, rod and piston

going to hurt in the wallet but cheaper in the long
run

mike

 --- Jim Green <jeg1976 at yahoo.com> wrote: > Well on
the advise of Javad and Phil, I dropped the
> oil pan, and found a spun rod bearing in cyl #4.
>
> http://www.geocities.com/jeg1976/bearing.jpg
>
> Well that lasted a whopping 40 miles.  The crank is
> still in pretty good shape, but needs polished.  The
> picture looks worse than it is.
>
> http://www.geocities.com/jeg1976/race.jpg
>
> I dug up a post in the archives that sugested using
> 600 grit, then finishing them off with fine
> Scotchbrite.  I like this idea much better than
> pulling the engine out again.  Anyone see any reason
> why I shouldn't try it?  I'm going to check to see
> if
> it's out of round, but I doubt it since I only drove
> it about two blocks.  All the other bearings look
> fine.
> Thanks,
>
> =====
> Jim Green
> '89 90tq EFI
> http://www.geocities.com/jeg1976/car_home.html
>
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