[T3] Ok all you carb experts...

[Keith Park]

OK, today I took my own advice and pulled the plugs and cleaned them, to
make sure that it wasn't an ignition issue.  They were black, but once
cleaned it still ran poorly, it would start and idle with the chokes on, but
rough, but then after they came off no idle, and rough when I raised the
RPM.  

One thing I remember was that when I first got it going the floats seemed
stuck closed, carbs didn't fill when I got fuel pressure, so a tapping and
they filled.

So I pulled the tops off, right carb looked like the gas level was a little
high, no dirt in the bowls, I pulled the float valves and cleaned them with
some choke cleaner, the blew some thru the passages that I could get to with
the top off and reassembled things.  Pulled the top off the fuel pump and
there was some dirt in the inlet side of the screen, how'd that get there?
The filter is on the line just before it and that looks clean...

Anywho, started it up and it ran and idled properly again,  I guess
something was stuck somewhere or the float valves were leaking and flooding
it out.

WITH IT RUNNING PROPERLY though... one thing I notice is that when you raise
the RPM to 2500 or so and look into the carbs, there is a nice sprits of gas
coming out of the main jet on the left carb but NOTHING on the right, is
that Normal to see when your running it at RPM with no load??  They are
sync'd but probably not perfectly.

Ahhh Carbs!

Keith


Top Notch Restorations
topnotch at nycap.rr.com 
http://www.a383ina68.addr.com/radiorest/main.htm
71 Squareback "Hothe"
65 Notchback "El Baja Rojo"
65 Squareback "Eggcrate"
87 golf "Winterat"
93 RX7 "Redstur"

-----Original Message-----
From: type3-vwtype3.org-bounces at lists.vwtype3.org
[mailto:type3-vwtype3.org-bounces at lists.vwtype3.org] On Behalf Of
Bobsnotch at aol.com
Sent: Friday, June 03, 2011 11:36 PM
To: type3 at vwtype3.org
Subject: Re: [T3] Ok all you carb experts...

In a message dated 6/3/2011 9:30:44 P.M. Eastern Daylight Time,  
topnotch at nycap.rr.com writes:

This  spring I got it running, adjusted and sync'd the carbs and it ran and
idled  perfectly.  Drove it a couple miles, no  problem.  Now after  having 
it
in and out of the garage a few times its back to the same  problem, no idle,
will accelerate if pumped but not with the throttle just  opened, sometimes
it would idle a bit on the left carb but nothing from the  right.  I can
floor it sometimes and it will just bog down and very  slowly recover.

What I know is right.
Has good fuel  pressure
Carbs are all clear, or they were anyway.
It's a 65 with no  idle cutoffs, so its not that.
Vacuum advance works properly, stock dizzy.  good spark.
Adjusted and sync'd properly, as it was running and idling  perfectly just a
couple weeks ago.

Im at a loss. had these things  apart and found nothing, don't want to pull
them apart again as I cant get  the gasket kits anylonger and it didn't 
solve
the problem anyway.

I  HATE CARBS!  Woulda had this fixed if it were FI..   :-)


Any ideas?? 
 

Sounds  like it's ingested something in the right carb. How clean were the 
fuel line  and fuel tank? Is the fuel filter still clean, or is there trash 
in it? I know  you probably checked these things, but...
 

Bob 65 Notch  S with sunroof and IRS (Krusty)
71 Notch (Krunchy)
64 T-34 Ghia  (Wolfie)
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