<VV> Single Carburetor

[John Ingram]

The reason for all of this is that I could not get the carbs to  
balance,  I know it sounds like a simple vacuum leak.  I have  
searched everywhere, Plugged the vacuum brake connection  and every  
other vacuum connection, and cannot find it.  I used different  
balancing tools, the normal floating ball type got good normal  
readings, but it would not idle at all and when it revved up and  
smoothed out one exhaust pipe would be hotter than the other.  The  
carbs were rebuilds with new manifold seals, where else could it have  
a vacuum leak?  Two carbs would be enough, this engine is in a VW  
Bus, no need to go fast, I just want it to run.  The idle problem is  
finally cured and the power is good once I'm moving along.  Just this  
one last problem.  I have not taken the heads off but  even though  
the compression check did not show a weak cylinder, there could be a  
crack above the intake valve,  in the intake port. (?) I'm sick of  
working on it, I'd like to drive it for a while before I take it  
apart again.
JI
Anyone have an extra engine to give me?


On Apr 22, 2013, at 4:11 PM, jvhroberts at aol.com wrote:

> Well, going away from stock is fine, you just need to figure out  
> the right direction!
>
> If you're trying to make more power, a pair of bored HVs is a way  
> to go. Or, rework the manifold on the head to take something like a  
> Weber 32/36DGV on each side. Or, go to 4-1bbls with 140 heads,  
> that's always a crowd pleaser!
>
> John Roberts
>
>
> -----Original Message-----
> From: Shelrockbored <Shelrockbored at aol.com>
> To: johnvi <johnvi at cloud9.net>; virtualvairs  
> <virtualvairs at corvair.org>
> Sent: Mon, Apr 22, 2013 3:28 pm
> Subject: Re: <VV> Single Carburetor
>
>
> In "Corvair Basics" it is recommended that one never change out the  
> stock
> carburetor arrangement for a 2 or 4 barrel system replacement  
> unless one,
> "thrives on challenges" because many there will be.
>
> Steve Sassi
> Long Island Corvair
>
>
> In a message dated 4/22/2013 3:21:13 P.M. Eastern Standard Time,
> ronh at owt.com writes:
>
> In that  case the fix is to go back to stock because it works  better.
> RonH
>
> ----- Original Message -----
> From:  "lonwall at corvairunderground.com" <corvairs at pacifier.com>
> To:  <virtualvairs at corvair.org>
> Sent: Monday, April 22, 2013 11:48  AM
> Subject: Re: <VV> Single Carburetor
>
>
> > Without  knowing a lot more about your setup it would be hard to be
> > specific,  but - The type of setup you have is known for poor low  
> end and
> > poor  response off the line.
> >
> > Lon
> >  www.corvairunderground.com
> >
> > On 4/22/2013 11:34 AM, John Ingram  wrote:
> >> I have a 65 110 that I have rigged with a single Rochester  2  
> barrel
> >> Carb.  Runs fine, idles fine, the problem is the  engine doesn't  
> have
> >> much low end torque, once I'm moving along it  is okay but off the
> >> line I need to keep the revs up.  I think  the drop in vacuum  
> from a
> >> carb that may be too big is throwing off  the timing, the  
> distributer
> >> vacuum retards the timing when I press  on the gas to start  
> out.  Does
> >> anyone have experience with  these single carb applications?   
> any ideas?
> >>
> >> Thank  you,
> >> John I.
> >>
> >>    _______________________________________________
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