<VV> typical idle vacuum reading?

[Daniel Monasterio]

It depends on altitude. At my place (Guadalajara, at 4,500 ft) the most is 15" on a well tuned engine. Higher at lower altitudes.
Daniel Monasterio

> Date: Wed, 2 Nov 2011 18:51:20 -0400
> From: corvairgrymm at gmail.com
> To: kovacsmj at sbcglobal.net
> CC: virtualvairs at corvair.org
> Subject: Re: <VV> typical idle vacuum reading?
> 
> Negative, the one that goes to the distributor is the vertical one, which
> reads vacuum, above the throttle plate.
> 
> I'm wanting to know what the vacuum should be at idle BELOW the throttle
> plate, which is the horizontal port connected normally to the choke
> pull-offs.
> 
> Ray "Grymm" Rodriguez III
> 
> PS- for those following my adventures with the 63' today I got a nice
> stable idle at 600RPM in neutral (It stalls when in gear even when set
> considerably higher).  I ran it that way for 20 minutes and then pulled one
> of the day old spark plugs... it was pure white on the insulator... as if
> it had not been installed yet.  So apparently I'm lean at idle, not rich.
> I real quick swapped on a pair of carbs from the 62' which idled
> BEAUTIFULLY in gear when last run probably less than two months ago and it
> behaves about the same way.  Someone sent me a very thorough procedure for
> ignition diagnosis so I'm going to follow that all the way through
> tomorrow.
> 
> 
> 
> 
> On Wed, Nov 2, 2011 at 6:42 PM, Michael Kovacs <kovacsmj at sbcglobal.net>wrote:
> 
> > Like the one that goes to the distributor? I'd guess it should be close to
> > "zero"
> >
> > MIKE KOVACS
> >
> >
> > ------------------------------
> > *From:* Ramon Rodriguez III <corvairgrymm at gmail.com>
> > *To:* virtualvairs at corvair.org
> > *Sent:* Wed, November 2, 2011 1:41:41 PM
> > *Subject:* <VV> typical idle vacuum reading?
> >
> > Hello all,
> >
> >     What is a typical vacuum reading (from the horizontal ports on the
> > carbs) for an idling Corvair... in this case a 102hp.  Haven't had any luck
> > trying to find it in the manuals.
> >
> > Thanks,
> >
> > --
> > Ray "Grymm" Rodriguez
> > Lake Ariel, PA
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> 
> 
> 
> -- 
> Ray "Grymm" Rodriguez
> Lake Ariel, PA
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