[DeTomaso] Electric Choke, yes or no?

[Will Kooiman]

If I remember correctly, the factory chokes drew air either from the
exhaust manifolds or from under the intake, through the choke housing, and
then through a vacuum port - in order to suck the air.

I don't know if the electric chokes can do both.  It might be one or the
other.

--
Will





On 12/20/13 3:00 PM, "Janne Mäki-Petäjä" <eb0711 at kolumbus.fi> wrote:

>
>Although it's not often seen, it's entirely possible to use metal choke
>tube connected to manifold heat source, with electric choke as well.
>That'll give a heat source to the coil always when the engine is warm,
>and choke will still go off electrically little faster when it's cold.
>
>Janne
>
>19.12.2013 22.09, Mikael kirjoitti:
>> A word about electric chokes, I know this is not what was asked, but
>>that
>> won't stop me...
>>
>> On my Longchamp, semi-mild daily driver, yes definitely an electric
>>choke.
>>
>> But on a Pantera, especially a fast one, I wouldn't want one. I would
>>rather
>> rev it a bit with the throttle for the first minutes. The main problem
>>with
>> an electric choke (connected to proper 12V) is that if you leave the car
>> parked for an hour and get back and start it, the choke will be fully
>>on and
>> take a little while to go off, and the engine doesn't need it. That
>>means
>> too rich mixture for a while, which washes oil off the cylinder walls.
>>And
>> if you have a high performance engine with narrow tuning tolerances and
>> colder plugs, maybe even race plugs, the plugs can foul up due to this
>>choke
>> action. If you then do the wrong thing, look at your plugs and conclude
>>that
>> you need more lean jetting, then it really starts to get dangerous. In
>> short, high performance engines shouldn't have an electric choke, it
>>should
>> have manual cable operated choke (difficult in a Pantera) or no choke at
>> all. Divorced chokes are a bit better than electric chokes, but rarely
>>seen
>> these days.
>> (And on a totally unscientific note: The sound of the engine when almost
>> warm, idling just above the rpm where it would die, that sound is
>>fantastic)
>>
>>
>> Just my $0.02
>>
>> Mvh/Regards
>> Mikael
>>
>> -----Oprindelig meddelelse-----
>> Fra: John Buckman [mailto:jb841 at cox.net]
>> Sendt: 19. december 2013 19:17
>> Til: detomaso at poca.com
>> Emne: Re: [DeTomaso] Electric Choke
>>
>> Why are we running a new wire?  I just used the wire that is in the OEM
>> loom.  It still works great.  Look at your wiring diagram.
>>
>>
>>>>> The short answer is that connecting the electric choke to the
>>>>>existing
>> ignition wire can act as a rev limiter for your ignition system.
>>
>> If you do not use a relay, and if you are not using the factory
>>throttler
>> position solenoid, there will be a red wire at the (approximate) center
>>of
>> the firewall that can be extended to the new electric choke's PLUS (+)
>> terminal.
>>
>> John
>>
>>
>>
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