<VV> piston question

[Dusty Steinberg]

I believe that it was a sorting method used at the assembly plant where the pistons were matched to the cylinders.  They measured each, and paired them up.  I found the same thing with my NOS pistons and jugs last summer, when I tried to find 6 alike.  
Paul in CT


-----Original Message-----
>From: Daniel Monasterio González via VirtualVairs <virtualvairs at corvair.org>
>Sent: Oct 15, 2015 11:38 AM
>To: judynrandy at comcast.net, virtualvairs at corvair.org
>Subject: Re: <VV> piston question
>
>I have 6 of brand new sets (pistons/rings/cylinders) with the number "10"
>on the top and they are STD (measured). Look at picture.
>
>Daniel
>
>On 15/10/15 10:10, "Randy Hook via VirtualVairs"
><virtualvairs at corvair.org> wrote:
>
>>
>>Since I am the mechanic taking this thing apart, I would have to say it
>>IS 21,000 original miles.  Evidence for that fact is that there is NO
>>wear to speak of on the piston skirts.  ALMOST NONE!  And the jugs show
>>almost NO wear either!  And neither do the lifters.  Then factor in all
>>the original type gaskets that are still there.  (Well, not anymore.)
>>You know, the old "paper" type that weld themselves onto things so
>>tightly that you literally need a case of TNT to remove them!  It even
>>had the original type  'national' rear housing oil seal complete with
>>part number stamped on the edge. And the neoprene push rod tube O-rings.
>>Then there are the original paint swipes on the block, diff, and trans
>>that look like the factory ones I've seen.  Oh yeah, and how could I
>>forget the like new input shaft!  After all that, I'd definitely say it
>>is an original 21,000 mile engine.  Now my question would have to be what
>>does anyone know about the factory installing oversize pistons in brand
>>new engines?  From all of this, it looks like they did.  But what is the
>>'official' view? 
>>  
>>Randy (Cap'n) Hook
>>Hopewell, PA  
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