<VV> Engine knock diagnosis

[Kenneth E Pepke]

Upon rethinking the offset may have been to the right.  It was
to offset crank movement by piston #5.  I don't think it would
be effective to offset up or down ... but I can't say for sure.
Ken P

On Fri, 2 Jan 2009 13:57:07 EST Sethracer at aol.com writes:
>  
>  
> In a message dated 1/2/2009 3:51:50 AM Pacific Standard Time,  
> kenpepke at juno.com writes:
> 
> The  factory used a special main bearing at the flywheel
> end of the  engine.  It was designed to silence a crankshaft 
> noise made by a  sideways movement of the crank that 
> resembled a main bearing  failure.  My memory on this is a
> little hazy on the exact  details.  Perhaps the 'hole' in the
> bearing is offset .0006 towards  the driver side.  Very early 
> or rebuilt engines will probably not  have this special bearing.
> 
> 
> I am pretty sure the offset was up or down, not sideways. I remember 
>  the 
> racers using the non-offset main for race motors, since that was the 
> least  of 
> the noises they would encounter. I could be wrong, though.
>  
> Seth  Emerson
> 
> C's the Day! - Corvair, Camaro, Corvette
> 
> 
> 
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