Re: [Amc-list] BBD Saga

["Graham, George W (GE Infra, Energy)" <george.graham@xxxxxx>]

I've gone through the carbs on both my Eagles for the classic BBD idle
issues (and also a number BBD's for other folks), and I always drill out
the bottom of the idle bleed tubes to .030.   Never had any idle
problems since (and I put a lot of miles on my wagon).   

On a related topic, I have never seen a store-bought rebuilt BBD come
adjusted correctly (or even assembled correctly some times), especially
regarding the metering rod adjustments.   I'd suggest buying a kit,
drilling out the idle bleed tubes, and adjusting everything in the carb
to specs.

George Graham
AMC of Houston

-----Original Message-----
From: Joe Fulton [mailto:piper_pa20@xxxxxxxxxxx] 
Sent: Monday, June 23, 2008 11:20 AM
To: amc-list@xxxxxxxxxxxx
Subject: [Amc-list] BBD Saga

Earlier I boasted that my newly remanufactured BBD carb was performing
fine and didn't suffer from the poor idle problem reported by others.

Well, my Gremlin sat for a couple of weeks while I was busy with another
car before I got around to changing the fuel pump due to fuel dilution.
The car began to have a very unstable idle and then would not idle at
all, especially on a cold start.  I checked the many vacuum lines (77
model Gremlin) and I did find one damaged vacuum hose and one suspect
hose.  I replaced them and the idle improved but was still not stable
like when I first got the carb.  I haven't looked down the throat for
dripping fuel yet, but I suspect that the idle jets are plugged.  I have
a fuel filter ahead of the carb.  Is there anything else I can do to
prevent a recurrence?  Two fuel filters inline?

Joe Fulton  

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