Hi Charlie,
I have a 54 120, that tends to paint a nice pattern of black crap out the
tailpipe, but only when the choke is on. ( I have the choke on a switch
rather than the automatic system that shuts the choke off when the engine is
warm), so when I shut the choke off it quits spitting. It doesn't seem to
have any water to speak of though, beyond normal condensation, and the plugs
show normal mixture burn. The choke on these just open the needle valve on
the "starting carburettor", so the the mixture is extremely rich when on
the choke. I don't have any overflow bottle on the radiator overflow, so
whatever expands enough on hot days, uphill, just waters the pavement! Try
getting it off the choke almost immediately, and see if it does the same
thing.
good luck
Pete Bergman
----- Original Message -----
From: "Kurt" <klhoush@comcast.net>
To: "'North Bay British Car Club'" <nobbc@autox.team.net>
Sent: Wednesday, September 22, 2010 4:59 PM
Subject: Re: [Nobbc] Water spitting out tailpipe
> You're running rich. Make sure there is no antifreeze in the water.
> Kurt
>
> -----Original Message-----
> From: nobbc-bounces@autox.team.net [mailto:nobbc-bounces@autox.team.net]
> On
> Behalf Of Charlie Saul
> Sent: Wednesday, September 22, 2010 4:00 PM
> To: North Bay British Car Club
> Subject: [Nobbc] Water spitting out tailpipe
>
> Hi Guys,
>
> Could really use your advice on this one.
>
> Best Regards,
>
> Charlie
>
> 1952 Jaguar XK 120 OTS
>
> Just 1000 miles after a complete engine out rebuild and everything is
> running smooth. However, each time I start up cold, about a cup or more
> of
> water spits out the tailpipes (along with some dry black carbon) that
> temporarily wets about 10 to fifteen feet of my driveway (or the front of
> the car behind). I add about the same amount of water to the radiator
> (overflow bottle) every 100 miles or so. What do you think is going on?
> Is
> this a bad thing?
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