Re: pleasae explain mopar throttle kickdown to me - another long-winded
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Re: pleasae explain mopar throttle kickdown to me - another long-winded explan



thank you
  neal zimmerman, eugene oregon

On 6/25/10, Steven Charette <stevec@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> Neal,
> 	Exactly.  The transmission gear timing is controlled by two forces -
> the throttle pressure, which is set by your right foot, and governor
> pressure, which is regulated by a weighted valve on the output shaft of the
> transmission.
>
> 	As throttle pressure (your foot on the pedal) increases, shift
> points raise, to the point that the transmission will downshift if vehicle
> speed (governor pressure) is low enough.  As vehicle speed (and governor
> pressure) increases, it takes more throttle pressure to "kick down" the
> transmission to a lower gear.
>
> 	I like to explain it by putting my two fists together with my elbows
> pointed out -  great in person but hard to visualize in an email.  If your
> left arm is throttle pressure (accelerator position) and your right is
> governor pressure (vehicle speed) the point where your knuckles meet is the
> upshift/downshift point.  More throttle pressure (left arm moves fists to
> right) raises the shift points, and more governor pressure (right arm moves
> fists to left) causes shifts to occur sooner - downshifts take more throttle
> pressure.  Hope that makes some sense.
>
> 	So if you see a car with no throttle pressure linkage, one of two
> situations exist.  Either;
>
> A) the car is equipped with a manual shift valve body, which as the name
> implies has no automatic shifting features, the driver manually selects each
> gear, or;
>
> B) the car drives poorly and will need a transmission overhaul soon.
>
> 	There's nothing like a crisp shifting TorqueFlite, although it's
> easy to overdo it - the transmissions are over-engineered for all but the
> highest horsepower racing/pulling applications.  I personally like shifting
> a hot street/strip car, so I run Turbo-Action Cheetah valve bodies.  It
> makes driving a little more interactive, and eliminates the need for the
> "dreaded" kickdown linkage, which is actually quite simple.
>
> 	Rick Allison at A&A Transmission outside of Indianapolis has done a
> great job of working out the governors so you can fine-tune your upshifts.
> A&A has governor kits that allow you to tailor your automatic shift speeds
> to your particular combination.  They also make complete throttle linkage
> kits for specific applications, which can be used on our '62-'65 cars as
> well.
>
> 	Hope this helps...
> SC
>
> -----Original Message-----
> From: Neal [mailto:neal.zimmerman@xxxxxxxxx]
> Sent: Friday, June 25, 2010 12:00 AM
> To: 1962to1965mopars@xxxxxxxxxx
> Subject: Re: pleasae explain mopar throttle kickdown to me
>
>
> i see so it modulates pressure for the tranny?  so the more throttle ,
> maybe, the more pressure or something. see i always thought  it just had to
> do with the gear drop down when u stab it, hence "kickdown",this all makes
> sense  thanks Darwin
>   neal Zimmerman, eugene oregon
>
> On 6/24/10, 65 <65Val@xxxxxxxxx> wrote:
>>
>> Kickdown is a misnomer...its actually a  hydraulic pressure
>> adjustment. If its not there, the clutches and bands will not apply
>> fully or tightly, and eventually will kill the trans.
>>
>>
>> Darwin/Victoria BC/Canada
>> '65 Cdn. Valiant Custom 100 'vert
>> --225/A833...in a million pieces...SOLD
>> '67 Dart GT 'vert
>> --273/904...in "enjoying" condition
>>
>> Check'em out...  http://s41.photobucket.com/albums/e285/65val/
>>
>> ----- Original Message -----
>> From: "Neal" <neal.zimmerman@xxxxxxxxx>
>> To: "1962to1965mopars" <1962to1965mopars@xxxxxxxxxx>
>> Sent: Thursday, June 24, 2010 7:43 PM
>> Subject: pleasae explain mopar throttle kickdown to me
>>
>>
>>>
>>> why is it that they say mopars trannies  cant live without the
>>> throttle kickdown assembly? everyone says u will burn the trans out.
>>> seems like half the mopars i found have missing linkages.
>>> thanks
>>>  neal zimmerman, eugene oregon
>>>
>>>
>>> ----
>>> Please address private mail -- mail of interest to only one person --
>>> directly to that person.  I.e., send parts/car transactions and
>>> negotiations as well as other personal messages only to the intended
>>> recipient, not to the Clubhouse public address. This practice will
>>> protect
>>>
>>> your privacy, reduce the total volume of mail and fine tune the
>>> content signal to Mopar topic.  Thanks!
>>>
>>> 1962 to 1965 Mopar Clubhouse Discussion Guidelines:
>>> http://www.1962to1965mopar.ornocar.org/mletiq.html and
>>> http://www.1962to1965mopar.ornocar.com/general_disclaimer.html.
>>>
>>
>>
>> ----
>> Please address private mail -- mail of interest to only one person --
>> directly to that person.  I.e., send parts/car transactions and
>> negotiations as well as other personal messages only to the intended
>> recipient, not to the Clubhouse public address. This practice will
>> protect your privacy, reduce the total volume of mail and fine tune
>> the content signal to Mopar topic.  Thanks!
>>
>> 1962 to 1965 Mopar Clubhouse Discussion Guidelines:
>> http://www.1962to1965mopar.ornocar.org/mletiq.html and
>> http://www.1962to1965mopar.ornocar.com/general_disclaimer.html.
>>
>>
>>
>
>
> ----
> Please address private mail -- mail of interest to only one person --
> directly to that person.  I.e., send parts/car transactions and negotiations
> as well as other personal messages only to the intended recipient, not to
> the Clubhouse public address. This practice will protect your privacy,
> reduce the total volume of mail and fine tune the content signal to Mopar
> topic.  Thanks!
>
> 1962 to 1965 Mopar Clubhouse Discussion Guidelines:
> http://www.1962to1965mopar.ornocar.org/mletiq.html and
> http://www.1962to1965mopar.ornocar.com/general_disclaimer.html.
>
>
> ----
> Please address private mail -- mail of interest to only one person --
> directly to that person.  I.e., send parts/car transactions and negotiations
> as well as other personal messages only to the intended recipient, not to
> the Clubhouse public address. This practice will protect your privacy,
> reduce the total volume of mail and fine tune the content signal to Mopar
> topic.  Thanks!
>
> 1962 to 1965 Mopar Clubhouse Discussion Guidelines:
> http://www.1962to1965mopar.ornocar.org/mletiq.html and
> http://www.1962to1965mopar.ornocar.com/general_disclaimer.html.
>
>
>


----
Please address private mail -- mail of interest to only one person -- directly to that person.  I.e., send parts/car transactions and negotiations as well as other personal messages only to the intended recipient, not to the Clubhouse public address. This practice will protect your privacy, reduce the total volume of mail and fine tune the content signal to Mopar topic.  Thanks!

1962 to 1965 Mopar Clubhouse Discussion Guidelines:
http://www.1962to1965mopar.ornocar.org/mletiq.html and http://www.1962to1965mopar.ornocar.com/general_disclaimer.html. 












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