This is too new a car for me to be sticking my nose into, but this is
typical of mid 70s' MOPARS, if the choke is set too rich or if the choke
pull-off is not working. Try a careful inspection of these two items, and
I'll bet you'll find your problem.
Dick Benjamin
----- Original Message -----
From: Brad Hogg <bhogg@xxxxxxxxxxxxxxx>
To: IML <Mailing-List@xxxxxxxxxxxxxxxx>
Sent: Saturday, January 12, 2002 9:41 AM
Subject: IML: Another Interesting Engine Mystery
> As long as we are sharing our various engine mysteries, here is mine...
>
> I drive a 1978 with a 400 and when the temperature gets down close to
> freezing, it exhibits the following. If you start the engine cold (and it
> gets started cold every time because it has no block heaters) it starts
VERY
> well, runs for about 10 to 20 seconds (this time decreases as temperature
> falls), and then it seems to begin missing on one cylinder and slowly goes
> into this "woomp, woomp, woomp" mode. If the temperature isn't all that
> cold, the engine will eventually straighten out and run fine. If it is
> colder, the engine will eventually die. This is the strange part.
> Regardless of the outside temperature, if I start the car, let it go into
> it's "woomp, woomp" routine, and head off down the street, it will miss
like
> that all the way up until the point where the transmission shifts into
> second gear. The instant it shifts, the engine runs perfectly and it will
> do so from that point on, regardless of what gear the transmission is in.
>
> Any clues?
>
>
>
Back to the Home of the Forward Look Network