[DeTomaso] Resurrection

[Charles Engles]

Dear Charlie,


               How old is your MSD 6AL?   My box was twelve or thirteen
years old.  It quit last fall.  I sent it to MSD for repair and I was
surprised by their report of three different things wrong with it.  The
repair bill was modest.  In retrospect, I wonder if the darn thing had been
failing slowly and inexorably *before* it finally died.  If all the more
experienced and reasoned suggestions fail, then my remedial suggestion would
be to consider sending the unit back to MSD for repair. ( I *know* that
would be a headache given your geographical location and that it would put
the GT5S down for a good bit of time.)

                         Warmest regards,  Chuck Engles

PS: It might indeed be the carb and I think you have a Chuck Nuytten carb.
If ALL else fails, then send the carb off whilst the MSD is out and let
Chuck give it an overhaul......





-----Original Message-----
From: detomaso-bounces at poca.com [mailto:detomaso-bounces at poca.com] On Behalf
Of Charles McCall
Sent: Sunday, April 14, 2013 8:53 AM
To: 'Jerry Knotts'; detomaso at poca.com
Subject: Re: [DeTomaso] Resurrection

Thanks Jerry. I have a battery tender, so I think  my battery is in good
condition...

Charles McCall
Raising Pantera Awareness Across Europe
1985 DeTomaso Pantera #9375
http://www.poca.com/index.php/gallery/?g2_itemId=2323


-----Original Message-----
From: detomaso-bounces at poca.com [mailto:detomaso-bounces at poca.com] On Behalf
Of Jerry Knotts
Sent: domingo, 14 de abril de 2013 15:28
To: detomaso at poca.com
Subject: Re: [DeTomaso] Resurrection

Charles,

I have found MSD boxes to be very voltage dependent.  Anything less than
battery voltage gives unpredictable results.

jerry knotts


On 4/14/2013 8:16 AM, Charles McCall wrote:
> 1) ..and on the third day, they pushed the rock aside (opened the 
> garage
> door) and found the cave empty with the exception of a loincloth
(California
> Car Cover). The Pantera has come back to life again, for the first 
> time of the year!
>
>   
>
> 2) Resurrection of a subject kicked around last year but without 
> coming to conclusions.. My engine for the past couple of years has had 
> an
intermittent
> problem where it feels like a couple of cylinders cut out. I'd like to 
> resurrect the subject to see if we can come up with some new ideas.
>
>   
>
> At first I suspected it was a fuel issue, and disassembled the carb. I 
> did find a lot of very fine powder in the float bowls, which I cleaned 
> out,
and
> installed a fuel filter.
>
>   
>
> I changed the spark plugs to rule out a fouling or failing plug. I 
> haven't changed the wires.
>
>   
>
> Symptoms - car can run fine for hours or days or months. Then it feels
like
> a switch has been thrown and one or perhaps two cylinders stop firing. 
> I have to put my foot into it to keep the engine running. Black smoke 
> comes out the exhaust, and it I let the revs drop below 2000, the 
> engine will
die.
> This may last for as little as 5 minutes, or as long as 20, although 
> the rough running tends to be interrupted by arriving at my 
> destination. But
as
> quickly as the problem arrives, it suddenly heals itself, the engine 
> goes back to firing on all cylinders, idles happily at 1000rpm, and 
> all is
well.
> Perhaps for a day, perhaps for a month, or perhaps for an hour.
>
>   
>
> My engine - 351C, Compcamps 282S cam, Aussie 2v closed chamber heads,
Weiand
> Excelerator intake, Holley 700DP, MSD 6AL, MSD coil. Motorcraft AF42
plugs.
> MSD plug wires.
>
>   
>
> We had just started talking about whether MSD boxes could act like 
> this
when
> the thread dropped off last year. If this isn't fuel related and is 
> spark related, what can I check?
>
>   
>
> Thanks!
>
>   
>
> Charles McCall
> Raising Pantera Awareness Across Europe
> 1985 DeTomaso Pantera #9375
>   <http://www.poca.com/index.php/gallery/?g2_itemId=2323>
> http://www.poca.com/index.php/gallery/?g2_itemId=2323
>
>   
>
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>
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