Dan,
Those are all the symptoms of a BJ8 that is too lean, especially before up
to temperature. BJ8's are notorious for needing LOTS of choke until
virtually up to full operating temperature. Check to see that both carb jets
are dropping enough when the chocke cables are pulled out. I know of a lot
of people who have lost motion in the adjustment of the choke cables
themselves, thereby limiting the amount of movement the jets can drop for
the richer mixture required.
Rich Chrysler
----- Original Message -----
From: "Dan Stromquist" <dan@warner-associates.com>
To: <healeys@autox.team.net>
Sent: Tuesday, September 23, 2008 5:41 PM
Subject: [Healeys] Carb Spits & Coughs
> List:
>
> I am still trying to get my 64 BJ8 to run smooth. We rebuilt the
> distributor with better points, properly gapped, all new parts, and reset
> the timing. Also put in new HD Lucas coil. The shop set the carbs and
> put
> in rich needles and it seemed to run better. Still have low idle miss
> especially when cold and sporatic when hot. What I get now is what I
> believe to be backfires right at the carb more so when cold (the carbs
> were
> rebuilt as well professionally). Are these little backfires common to
> BJ8s
> or do I have a carb problem and what do you suppose is the fix. When cold
> with the chock out I still have to pump the accelerator to keep it
> going-lots of hissing and popping right at the carb and from time to time
> a
> small backfire in the exhaust system itself.
>
> Dan
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