<VV> too much trans fluid causing an ominous knock?

[Harry Yarnell]

I doubt that scratched new bearings would cause your problem.

Harry Yarnell
Perryman garage and orphanage
Perryman, MD
hyarnell1 at earthlink.net
----- Original Message ----- 
From: "Jedd Hebrink" <jhebrink at anvilcom.com>
To: <virtualvairs at corvair.org>
Sent: Monday, December 29, 2008 12:30 PM
Subject: Re: <VV> too much trans fluid causing an ominous knock?


>
> Thanks to the many who have responded with helpful information on this
> topic.  I understand the transmission fluid level question now, and it 
> makes
> sense that after sitting in my shop for several months, the fluid leaked
> down.
>
> The knock sounds more like a con rod knock, not a detonation knock.  I 
> have
> checked compression in all six cylinders, and found them to all be
> acceptable.  When I rebuilt the engine a few months ago, I did install new
> pistons, sleeves, rods, and bearings.  I did NOT use Plastigage, and I 
> think
> that I am learning this lesson the hard way.  Many of you reminded me that
> one should ALWAYS use Plastigage when rebuilding an engine.  Armed with
> Plastigage, I am prepared to split the crankcase and measure bearing
> tolerances.  I suspect I may have spun a bearing or otherwise created a
> problem with the crankshaft or connecting rods.  I won't go into the long
> story again now, but the bearings I received from one of the popular 
> Corvair
> vendors were not packaged well, and had tumbled around in transit.  There
> were several gouges or deep scratches in some of the bearings.  I posted a
> question about this before I put the bearings in, and received differing
> opinions on whether I should use them.  I took the easy way out, and
> smoothed the scratches with some fine emory cloth.  Now I wish I would 
> have
> waited and purchased new bearings, because I suspect the scratched 
> bearings
> may have something to do with my current problem.
>
> Pulling the engine is not such a difficult thing to do, so I plan to go
> ahead with that over the next few days while I am off from work.
>
> Thanks again for all the valuable advice; it is much appreciated.  Happy 
> New
> Year to all!
> Jedd Hebrink
> 66 Monza 110 PG
>
>
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