<VV> idle question 2

[MarK Durham]

Bob, great description of another possible problem.

Mark Durham Hauser Idaho
62 2Door Coupe 4speed Red/Red
On Jul 10, 2014 10:45 AM, "hallgrenn--- via VirtualVairs" <
virtualvairs at corvair.org> wrote:

>
>
> 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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