I am having the rad in the 72 recored as we speak. Same thing driving high
speed the temp would climb. Driving speed limit or around town with AC
always on the temp was not a problem. If it got real warm then there is a
good chance she will vapour lock.
Robin Giesbrecht
>From: "Klebert L. Hall" <swampyankee@xxxxxxx>
>Reply-To: mailing-list@xxxxxxxxxxxxxxxx
>To: mailing-list@xxxxxxxxxxxxxxxx
>Subject: Re: IML: '73 Lebaron travel problems
>Date: Thu, 13 May 2004 20:45:53 -0400
>
> >From: "Jay King" <j_king@xxxxxxxxx>
> >
><snip>
> >
> >We had some difficulty with overheating after about two hours on the
>interstate, but I expected that. (Has anyone tried >"Water Wetter" or
>similar products in a 440?)
>
> Was it overheating at highway speed, and was the AC on or off? I've
>had
>overheating problwms with several big block cars, but usually once I slow
>down after prolonged high speed travel. If the AC was off, and you were
>moving at a decent clip, I expect you have mineral buildup in your radiator
>and will need a new one in the near future.
> The first thing I'd do to combat overheating is get the engine steam
>cleaned (unless it's already clean). I know this sounds kind of silly, but
>built up engine 'crud' can be a powerful insulator - my last car; a '77 LTD
>Police Interceptor with a 460 always had temp problems, and when I had the
>engine cleaned it was good for 15-20 degrees cooler running.
> I've also had good luck with having auxiliary electric cooling fans
>installed - they especially help at loe speeds and stop / go traffic. It's
>an easy modification that doesn't have to be permanent, the car can be
>returned to 'original' condition easily enough.
>
> >After negotiating the interstate bypass through Huntsville, Silent Bob
>died
>in traffic, exhibiting symptoms of vapor
> >lock, fuel pump failure, or out-of-gas. The gas gauge is inop so I carry
>a
>2.5 gallon gas can in the trunk. Two
> >gallons in the tank and a splash into the Edelbrock eliminated diagnoses
>(1) and (3), and being in a strange
> >city on a Saturday, I called Kerry. He showed up in about 30 minutes with
>tools and a fuel pump from
> >O'Reilley's and quickly changed out the pump with some help from Jamie.
>
> If you're having consistant vapor lock problems, conversion to an
>electric fuel pump with a constant-pressure regulator takes care of that
>pretty well. As above, it's an easy modification that doesn't have to
>change
>anything permanently and is relatively easy to undo.
> -Kle.
>
>
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