<VV> timing mark jumps help

[S M]

Yes the roll pin can cause a timing change. 
For a short time after it breaks but before it disintigrates, timing can jump back and forth like throwing a switch.

----- Original Message -----
From: Richard Gebhardt <rampside64 at att.net>
Date: Wednesday, March 24, 2010 6:31 pm
Subject: Re: <VV> timing mark jumps help
To: Virtual Vairs <virtualvairs at corvair.org>

> Shaun, does the timing change?  If no, it may be the outer 
> ring slipping 
> on the harmonic balancer
> unless it has a solid HB.
> 
> Richard Gebhardt
> 
>  
> 
> 
> 
> S M wrote:
> > Check the rollpin in the gear at the bottom of the distributor...
> >
> > ----- Original Message -----
> > From: Vairdad at aol.com
> > Date: Wednesday, March 24, 2010 12:01 pm
> > Subject: <VV> timing mark jumps help
> > To: virtualvairs at corvair.org
> >
> >   
> >> 63 recently purchased. cleaned engine compartment rebuilt 
> carbs, 
> >> new plugs, 
> >>  wires, points, dist. cap, rotor button, condensor. 
> timing 
> >> mark steady for 
> >> a few  seconds then jumps about one inch then steady for 
> >> few seconds then 
> >> jumps again.  what is cause and how to fix problem. car 
> not 
> >> running when 
> >> bought so not sure  how long problem. thanks for your help
> >> garland
> >>  _______________________________________________
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