FW: <VV> Judson Supercharger Install Complete!!!
Eric S. Eberhard
flash@vicspdi.com
Thu, 04 Mar 2004 18:28:49 -0700
It is a Holley 2 bl and is correct (model 2110 usually called a
"bugspray"). It has a 3 hole mount that is unusual and required for the
Judson.
At 02:31 PM 3/4/04, you wrote:
>Didn't you mention this was a 2bbl Weber or something similar? If so, the
>carb is not original for the
>application.
>
>Bill
>
>On Thu, 04 Mar 2004 11:44:18 -0700, Eric S. Eberhard wrote:
>
> >Hmmmm. Thanks. I had observed that making the idle circuit as rich as
> >possible helps ... I was thinking that perhaps the idle jets are too lean
> >(my mains are variable and I think about right at this point). If it was
> >getting a bit more fuel at idle then perhaps it would be better?
> >
> >The carb is the correct carb for the application so it is a problem
> >specific to my carb, not to improper application.
> >
> >To fix these passages could it be as simple as cleaning the carb (e.g. take
> >apart and dip in cleaner and/or spray some air through passages?). Or is
> >it harder than that? One Idea I had was to just send the stinking carb to
> >Wolf Enterprises and get a quality rebuild ...
> >
> >Thanks so much for your help!
> >
> >
> >At 11:05 AM 3/4/04, you wrote:
> >
> >
> >>-----Original Message-----
> >>From: Sadek Charles H DLVA [mailto:SadekCH@nswc.navy.mil]
> >>Sent: Thursday, March 04, 2004 10:08 AM
> >>To: virtualvairs@corvair.org
> >>Subject: RE: <VV> Judson Supercharger Install Complete!!!
> >>
> >>Eric,
> >> Re your transitions....
> >>
> >>This sounds like massive transition/progression circuit failure. On a
> >>normally aspirated carb application, you are aware there is an idle jet and
> >>"circuit"-the passages that mix air and fuel. Likewise there is a main jet
> >>and main circuit which does the same thing; mix air and fuel. These two
> >>circuits are applied where the vacuum/pressure "signal" is the strongest or
> >>optimum for the individual circuit.
> >>
> >> The carb must move from using the idle circuit to the main circuit
> >>and there are a series of passages that allow for fuel and air to pass into
> >>the carb bore as the idle signal falls off and the main jet signal
> increases
> >>and takes over.
> >>
> >>This transition is critical; much more so than most folks realize.
> >>
> >>When you floor it, you are opening the throttle plate, momentarily have
> >>massive air flow with little fuel, then before dumping accel pump fuel, you
> >>have air-choked the engine. At a lesser throttle, without sufficient
> >>"transition" mixture to carry it into higher rpm and air flow
> operation, the
> >>engine stumbles and picks up.
> >>
> >>You may have a too big carb. You may have jets that are not right for the
> >>supercharged application. You may have no transition circuit operation.
> >>
> >>Chuck S
> >>YS73
> >>
> >>-----Original Message-----
> >>From: Eric S. Eberhard [mailto:flash@vicspdi.com]
> >> Subject: <VV> Judson Supercharger Install Complete!!!
> >>
> >>The vice: the transition, up or down, from idle to throttle is "abrupt" to
> >>say the least. From a stop if I completely floor the car it dies. Less
> >>throttle and it stumbles a second and then goes. I also feel this when
> >>coasting to a stop ... it just abruptly transitions to idle (it does not
> >>die you just feel it). When trundling along at 35 or so on a flat road it
> >>will transition down then with a tiny touch of the pedal transition back
> >>up. I am pretty sure this is when the mains kick in or out versus the
> >>idle. ..... Any opinions or advice?
> >>_______________________________________________
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> >
> >Eric S. Eberhard
> >(928) 567-3727 Voice
> >(928) 567-6122 Fax
> >(800) 569-1122 Denver Office (I am never there, you can leave a
> >message)
> >(720) 339-4765 Cell
> >
> >http://www.vicspdi.com
> >
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> >_______________________________________________
> >This message was sent by the VirtualVairs mailing list, all copyrights
> are the property
> >of the writer, please attribute properly. For help,
> mailto:vv-help@corvair.org
> >This list sponsored by the Corvair Society of America,
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> >Post messages to: VirtualVairs@corvair.org
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Eric S. Eberhard
(928) 567-3727 Voice
(928) 567-6122 Fax
(800) 569-1122 Denver Office (I am never there, you can leave a
message)
(720) 339-4765 Cell
http://www.vicspdi.com
Completely updated web site of personal pictures with many new
pictures! Includes horses, dogs, Corvairs, and more.
http://www.vicspdi.com/ourpics/index.html