<VV> BackFiring through LH Carb

[S M]

Please note that I am NOT saying 38 out of 40 of the Carbmeister's carbs are bad! The 40 that my friend went through were NOT Grant's.


----- Original Message -----
From: S M <shaun_mcgarvey at shaw.ca>
Date: Sunday, April 29, 2012 4:29 pm
Subject: Re: <VV> BackFiring through LH Carb
To: Bob Gilbert <bgilbert at gilberts-bc.ca>
Cc: virtualvairs at corvair.org

> A lean condition will cause that. Check the accelerator pump, 
> and if that's OK, check deeper in that carb for blocked 
> passageways. Although most of Grant's work is very good, I've 
> seen some bad ones from him. One noted Corvair expert said that 
> he went through 40 carbs to get one perfect pair, so you may 
> have gotten one of the other 38...
> 
> 
> ----- Original Message -----
> From: Bob Gilbert <bgilbert at gilberts-bc.ca>
> Date: Sunday, April 29, 2012 4:19 pm
> Subject: <VV> BackFiring through LH Carb
> To: virtualvairs at corvair.org
> 
> > Hi,
> > 
> >  
> > 
> > Something odd has just started with my fresh 3.1 build. It 
> will 
> > idle happily
> > all day long and rise smoothly up through 4000 RPM but when I 
> > just blip the
> > throttle , I get backfiring through the driver's side primary 
> > carb. All of
> > the sparking equipment is new; coil,  plugs, wires, 
> > Pertronix II etc. The
> > carbs are fresh from the Carbmeister. I've tried adjusting the 
> > static timing
> > to see if it makes an difference and it doesn't. For now I'm 
> > running at 16
> > BTDC static.
> > 
> >  
> > 
> > I've set the valves cold at half turn past zero leash.
> > 
> >  
> > 
> > Any ideas?
> > 
> >  
> > 
> > Thanks,
> > 
> > Bob
> > 
> >  
> > 
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