Hi Bruce,
I'm sure many people will give you good advice for
your New Yorker, but here's mine.
There's a good chance you got a "bad" rebuilt
carburetor. I know it sounds weird, but many rebuilt
carbs don't work very well. You might consider getting
it tested. There is a spot where the throttle shaft,
or shafts go through the bottom of the carb. Many
times rebuild places won't fix this, so a little
vacuum is leaking in all the time, which is bad. The
55 year old guy might be right about those carbs not
being so great, even when new.
But, before that,
First,I would have all those exhaust leaks fixed. They
will never get the car to run right if they don't get
that ironed out. Have them look for any vacuum leaks.
Fix anything else on the car that might be giving you
those problems. Have them replace all those little
vacuum hoses that help the emissions system work. (or
just chec to see if they are cracked, and leaking
vacuum) Have them check to see if those hoses are
properly routed. Check the Air Pump, Like the E.G.R.
valve. That's a good one. When those go bad, there is
a big vacuum leak! It's O.K. to bring a car right back
to the shop if it runs really poorly. They probably
did spens alot of time making your car ru as "lean" as
possible, in order to have it pass smog.
and then have the shop adjust everything so the car
runs the best. You don't have to keep the car set the
way it is right now, just have it set that way during
smog-check time.
Usually, if it's not just a worn out engine, the car
will run poorly for a bunch of little reasons, not one
big one. So, finding the fix is not so straight
forward.
It's good that they got your car to pass, if you bring
it back and be patient, they'll figure it out.
Good luck!
Miles
67 Imp 4 door
--- Bruce Stubblefield <audiblefeast@xxxxxxxxx> wrote:
> Hello everyone,
> I have carb problem with the mighty '78 NYB.
> Smog
> approval required that I spend a small fortune on a
> new carb. I had the work done at a local place that
> does only old cars, is run by a guy older than 55
> and
> has done good work for me in the past. Bottom line,
> the car finally passed the smog, but now runs very
> poorly. The mechanic tells me that the severe
> exhaust
> leaks that the car has (manifold gasket,
> flange/connector after the manifold, resonator,
> etc.)
> cause the carb to perform badly. Does anyone know
> if
> this is reasonable? He also says that "none of
> these
> carbs for this car were ever any good." This sounds
> like nonsense to me, but the smog place claims to
> have
> screwed with the thing for 4 hours to get it to
> pass.
> The symptoms are rough ilde after car is warm
> and
> stalling when I punch the gas when the car is under
> no
> load(coasting or in neutral). Idle is also set way
> high, probably to mask the rough idle. Any
> comments?
> Has anyone had GOOD luck with replacement or
> rebuilt
> carbs for this car? If I take off all the smog
> stuff
> and plug up the vacuum hoses, should that help?
>
> Many thanks!
> Bruce S
> 69 coupe
> 78 NYB
>
>
>
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