<VV> Help - Engine runs worse than before!

[Bill H.]

                                       B"H
Hi Harry.

1.  Readings at the choke pulloffs:  Left carb, rapidly vibrating between 0 and 15.  Right carb:  rapidly vibrating between 5 and 20.

2.  The Corvair beginners book from CORSA suggests putting your hand over the carb throat and revving the engine.  I did that, felt the raw gas on my palm, but when I finished doing it to both carbs, the idle settled down!

It's possible that there is some gunk somewhere in the fuel passages that is blocking efficient gas supply?

I'm probably going to pop for a set of rebuilts in any case, I've heard good things about Grant Young.

Thanks and regards...Bill





--- On Wed, 11/30/11, Harry Yarnell <hyarnell1 at earthlink.net> wrote:

> From: Harry Yarnell <hyarnell1 at earthlink.net>
> Subject: RE: <VV> Help - Engine runs worse than before!
> To: "'Bill H.'" <gojoe283 at yahoo.com>
> Cc: virtualvairs at corvair.org
> Date: Wednesday, November 30, 2011, 7:03 PM
> No. Gaps at the choke shaft don't
> have any effect.
> BUT, this is an interesting test. I assume you did this to
> the right carb,
> with no real change, right?
> Sounds like something's not right (lean) in the left carb.
> 
> Disconnect the chock pulloffs and read vacuum at those
> ports; what do you
> get?
> 
> -----Original Message-----
> From: Bill H. [mailto:gojoe283 at yahoo.com]
> 
> Sent: Wednesday, November 30, 2011 6:55 PM
> To: Harry Yarnell
> Cc: virtualvairs at corvair.org
> Subject: RE: <VV> Help - Engine runs worse than
> before!
> 
>                
>                
>             B"H
> 
> Harry, scratch the coil thing.  I forget that you have
> to switch the
> selector to 1K.  I got a reasonable reading.
> 
> When I sprayed carb cleaner against the choke shaft on the
> left carb, the
> enging sped up and smoothed out.
> 
> Could that be a worn choke shaft?  You can see a small
> gap where the shaft
> meets the carb body.
> 
> Thanks...Bill
> 
> 
> 
>