Re: [Chrysler300] Transmission Fluid

["Mark Lindahl" <mplindahl@xxxxxxxxxxxxx>]

Please read this email that I saved from previous discussions re: trans 
fluid.

----- Original Message ----- 
From: Wayne Graefen
To: George
Sent: Monday, August 07, 2006 4:11 PM
Subject: trans fluid


Hi George,

I see torqueflite fluid is in play again on the list server.

Last I recall you said to use Type F in your rebuilds.  Still correct?

What about when I've got any other Mopar torqueflite from the '60s and it is 
down a quart or two?
Do I add type F?
F can be hard to have in hand all the time - what about Dexron-Mercon to top 
out?

If you were doing a pan gasket drain and refill (including torque converter 
and filter) or a trans flush on a 100K mile car, what would you suggest 
should go back in?

And may I forward your answers to the 300 list server and the ForwardLook 
group?

Thanks,
Wayne

----- Original Message ----- 
From: George Riehl
To: Wayne Graefen
Sent: Monday, August 07, 2006 6:58 PM
Subject: Re: trans fluid


Hi Wayne;

The best fluid to use in the older P/F, T/F and 727s and 904s, is type F. If 
F cannot be found, type FA is O.K. FA has just a little more "slip" 
additive.  By no means use Mercon/Dextron. After a period of use, M/D fluid 
will actually seperate the friction disc material from the steel backing. 
Most other fluids will also damage the friction material.

  In "modern" day cars, the trannys are set up to shift so that one cannot 
"feel" the shifting. So, the manufacturers have formulated fluids with more 
"slip" additive. Slippage of the friction discs causes gradual degeneration 
of the discs.  The "old" T/F and P/F trannys always shifteed a little harder 
than other auto manufacturers trannys, but they did  last longer. Generally, 
70 - 100K miles, most GM trannies were shot. In the past, GM/Ford owners 
bought "Chryslers" and hated the "harsher" shifting and went back to other 
manufacturers. Chrysler trannys lasted well beyond 150+K miles. This also 
applies to the 727 trannys.

  Some time ago, Chrysler Performance issued a bulletin about trans fluid 
and suggested that type F be used in all 727s used in competition. This was 
the result from the "drag" racing guys.

  The "old" Type A-Suffix A fluid was manufactured with a parrifin base 
material. When heated, the "wax" would turn into crystals (like rock candy) 
and plug the passagages in the valve bodies, resulting in trans failure.  I 
have found this in a number of "used" trannys that I have rebuilt that came 
from junkyards. One has to literally dig out the passages with a 
screwdriver.

  It is best to drop the pan and drain the converter. Clean the pan and 
scren. AND, in some cases, drop the valve body and clean it thoroughly. That 
will add life to a very good used tranny. And while one is at it, readjust 
the bands (300s, front, 2 1/4 turns, rear band, 2 turns out) after 
tightening down both band adhustments with about 75 inch pounds,  then lock 
down the nut.
It's like giving the tranny a S, S, S and then a good meal with new fluid.

  And, when replacing the pan with a new gasket, make sure that you "pound" 
down the raised bolt holes in the pan so the gasket seals properly. Very 
important!  And, please, do not use any silicone sealer. Some tend to use 
way too much which in turn will "squeeze" out and find the filter and plug 
it up. Bad news. Sometimes, even gets into the valve bodies.

  George Riehl


----- Original Message ----- 
From: "Bruce Paul" <b_paul_ncp@xxxxxxxxx>
To: "Mark Lindahl" <mplindahl@xxxxxxxxxxxxx>
Sent: Wednesday, June 06, 2007 12:35 PM
Subject: Re: [Chrysler300] Transmission Fluid


> Hi Mark,
>
> Sorry, but there are many Club members including me
> who have used Dexron/Mercon with no problems ever
> since Type A was discontinued. The major producers of
> tranny fluid who I contacted recommended Dexron as the
> replacement for Type A, not Type F.
>
> Bruce Paul
> Cherry Hill, NJ
>
>
> --- Mark Lindahl <mplindahl@xxxxxxxxxxxxx> wrote:
>
>> Ron,
>>
>> I think the group would vote for Type F transmission
>> fluid?
>> Mark Lindahl
>> '63 300 Conv.
>>   ----- Original Message ----- 
>>   From: Ron Pikielek
>>   To: Chrysler 300 Club
>>   Sent: Wednesday, June 06, 2007 9:41 AM
>>   Subject: [Chrysler300] Transmission Fluid
>>
>>
>>   Have a 64 Sport Coupe. Manual calls for Type A,
>> Suffix A Fluid. Is there any type I could add that
>> would be compatible?
>>   Ron P
>>
>>
>>
> ----------------------------------------------------------
>>
>>
>>   [Non-text portions of this message have been
>> removed]
>>
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>>
>>
>>
>> [Non-text portions of this message have been
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>
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>
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