Fwd: <VV> Piston weights

[klingaman at tellurian.com]

From: Tony Underwood <tonyu at roava.net>
To: virtualvairs at corvair.org
Subject: Re: Fwd: <VV> Piston weights
Date: Mon, 12 Dec 2005 15:46:23 -0800

----- Original Message Follows -----
> At 12:38 hours 12/12/2005, Geoffrey A Johnson wrote:
> >Bob,
> >Yes, this is how GM did it.  I have seen 6 gram spread in
> stock  >engines. Usually I have ballanced to 1 gram all
> the way across, but  >that takes a fair amount of work,
> and metal removal.  Balancing  >opposing pairs (1-2, 3-4,
> 5-6)  will be just fine. >HTH
> >-Geoff Johnson
> 
> 
> There's no reason *not* to do it this way.   No opposing
> pair of  rods/pistons has any effect on the other two
> pairs of pistons/rods;  makes sense to "mix & match" the
> lot of rods/pistons into the closest  opposing pairs and
> then fine-tune match the pairs, rather than try to  make
> *all* the rods/pistons weigh the same.
> 
> 
> tony..  
> 

while the piston and small end weight may be balalnced as
opposing pairs, the imbalance of the big ends may give a
rocking couple to the engine. I think?
Ken
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