<VV> idle question 2

[hallgrenn at aol.com]

I should have said "check the carb filters for a fine brown mud"--it will only look like fine dust when it has dried out.
 
Bob
 
 
-----Original Message-----
From: hallgrenn--- via VirtualVairs <virtualvairs at corvair.org>
To: jaysplace <jaysplace at laserpubs.com>; patiomatt <patiomatt at aol.com>; virtualvairs <virtualvairs at corvair.org>
Sent: Thu, Jul 10, 2014 1:45 pm
Subject: Re: <VV> idle question 2



 
I'm with those who say the jets shouldn't be the problem.  I had a car with 
perfectly balanced carbs that ran fine around town cold, but wouldn't accelerate 
on the road.  If ran better when cold when the chokes were on, but stumbled and 
WOULD NOT ACCELERATE except slowly with very light throttle when warm. I had 
solid streams in the carbs when the throttle was opened.  On the highway--once 
it had gathered speed--it ran fine, but sudden throttle increases would cause 
the engine to stumble and die until I let off the gas.  

It turned out to be rust in the tank that clogged the pickup sock with fine rust 
particles (and gradually clogged the carb brass filters).   Everything from the 
tank back was fine.  The tank sock was so restricted that the fuel pump couldn't 
keep up with the demand and the carb float level dropped under demand.  I found 
out when I checked for solid streams from the accelerator after the engine had 
been running for about fifteen minutes--the first few times I opened the 
throttle I had solid streams, but after a few squirts the streams turned to 
small dribbles and dried up until I let the engine idle long enough for the fuel 
pump to fill the carb bowls again.

See how many times you can open the throttle with solid streams of gas present.  
If they peter out after awhile then check for flow from the tank--and check the 
brass carb filters for a fine brown dust.

Bob Hall 
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