<VV> Intermittent vacuum leak?

[J R Read_HML]

IF it is vacuum, see if any part of the throttle linkage is rubbing the 
vacuum line - moving it - making the problem intermittent.

Attachments (if any) are scanned with anti-virus software.

Later, JR

----- Original Message ----- 
From: "Mel Smith" <my65vair at hotmail.com>
To: <virtualvairs at corvair.org>
Sent: Saturday, March 25, 2006 4:21 PM
Subject: <VV> Intermittent vacuum leak?


> My '65 140 with two carbs has been acting oddly lately. I drive it around 
> and at some stop lights the engine will bog down and not accelerate, while 
> at other stoplights it seems perfectly healthy. It seems like at random 
> intervals the engine will refuse to rev up and will kind of kick back when 
> you open the throttle. I have already rebuilt the carbs and have since 
> cleaned them out thouroughly. The theory presented to me has been that 
> there is a vacuum leak causing the hesitation, which would explain it 
> since it sometimes idles poorly, but how could the leak only randomly 
> affect the engine at odd times? It doesn't seem to be related to the 
> temperature of the engine. What are some sources that can act like this 
> and what are other problems could it be? I'm running plates to cover the 
> secondary carb mounts and there are seals on the throttle shafts.
>
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