RE: [Chrysler300] Suggestied topic Club webpages? - Dexron vs. type F and the real issue which is that LETTER CAR transmissions are different and are high performance

["David Schwandt" <finsruskw@xxxxxxxxxxxxxxx>]

Sounds like an appropriate topic for the "new business" portion of the
business meeting next week!!

Dave Schwandt

-----Original Message-----
From: Chrysler300@xxxxxxxxxxxxxxx [mailto:Chrysler300@xxxxxxxxxxxxxxx] On
Behalf Of Hi Tech Auto Parts
Sent: Thursday, May 17, 2012 3:03 PM
To: christopher beilby; cbilter@xxxxxxxxx; chrysler300@xxxxxxxxxxxxxxx
Subject: Re: [Chrysler300] Suggestied topic Club webpages? - Dexron vs. type
F and the real issue which is that LETTER CAR transmissions are different
and are high performance

Yes , I agree with Chris and his comments,I think this would be very a
useful tool if its possible to put this in the club site somewhere,like most
of us the question/answer forum is both interesting and imformative,how ever
at the time of reading it may not be relevent to you  and when it is most of
us have forgotton.So this would save doubling up on imformation and also
gives access to a quick result to a query if it is on hand in the 300
archives.
                Geoff.Matthews..NZ
----- Original Message -----
From: "christopher beilby" <thelastbestgenius@xxxxxxxxxxx>
To: <cbilter@xxxxxxxxx>; <chrysler300@xxxxxxxxxxxxxxx>
Sent: Friday, May 18, 2012 12:17 AM
Subject: [Chrysler300] Suggestied topic Club webpages? - Dexron vs. type F
and the real issue which is that LETTER CAR transmissions are different and
are high performance


>
> Some 300 topics/questions seem to come up more than once, and any 
> final decision/choice/help taken is solely in the domain of the person 
> who asked the question, or raised the topic.
> People like me and others take time to reply - some appreciate it, 
> others just maybe say move on, something new please?! Whatever.
>
> Can I suggest that topics that seem to come round pretty regular, be 
> put on the Club Website pages somewhere, topics I think of as good 
> ones to consider would be:
> (1) Suggested best type trans Fluid for 300's Torqueflights
> (ii) Petronix Installation on 300s -likely things you might 
> encounter/fix in doing so
> (iii) Why old flat cam 300s should maybe use oils that still contain 
> zinc etc versus modern oils designed for modern (roller cam) engines 
> that now omit that which protects flat tappet 300 cam lobes better.
> (iv) Diff oils for limited slip type 300 rear ends
> (v) Current Radial tire sizes (in inches overall height) versus old 
> original cross ply 300 issue tire sizes
> (vi)  sample rear brake drum pullers to use on early rear taper axle 
> 300s
>
> Then when a Member comes up with a query that involves a topic already 
> on the Club Website, then it only takes one simple post/reply, to 
> point the questioner to a first possible answer. And I think that 
> thought has already started re some topics, such as disc brakes for 300s?!
>
> Who contributes to what put on the Club Site re any topic I leave to 
> others, but for example the excellent advice/comment offered by George 
> Rhiel on the email posted below would be an excellent start re Trans 
> fluid topic, especially if a footnote added, that the main possible 
> problem with using (early) Dexrons, is the clutches in the (300) trans 
> can slip too long/much on hard shifts, causing the friction material 
> on the plates to wear off prematurely, then the resultant 'metal to 
> metal' clutch faces cause trans to fail and need a rebuild.
>
> Petronix has recently been covered very excellently, and there should 
> be one or two good replies/posts, that could be used 100% as is, if 
> the writers agree. Same with tire size topic, etc , etc??
>
> And if anyone in the future feels they need know a more definitive 
> answer on another possible topic, 'ethanol fuels in 300s, the pros and 
> cons??! - especially re possible harmful higher combustion 
> temperatures' - would be great help to me, if no one else??
>
> Leave it with you - and rather than turn this into another 2-20 day 
> site topic, how about if someone wants to volunteer to submit/organise 
> suitable copy/detail to 'whomever' those 'better in the know' thinks 
> could help set something up, if it felt not too hard to do? But that just
an opinion.
>
> Christopher in Australia
>
>
>
> To: Chrysler300@xxxxxxxxxxxxxxx
> From: cbilter@xxxxxxxxx
> Date: Wed, 16 May 2012 23:40:55 -0500
> Subject: [Chrysler300] Dexron vs. type F and the real issue which is 
> that LETTER CAR transmissions are different and are high performance
>
>
>
>
>
> Greetings-
>
> Yes, this subject is getting tired, but instead of deleting or moaning 
> you may actually want to read this as this relates to letter cars 
> which, after all, is the real reason for the listserver, and it wasn't 
> clear to me that the latest thread actually ever got focused on letter
cars.
>
> I am no transmission expert, but George Riehl is (or was) and he wrote 
> an excellent article for the NewsFlite about 10 or 15 years ago on 
> letter car transmissions.
>
> For those newer to the club, here is what George had to say about 
> letter car
> transmissions:
>
> 1) "There were many internal differences for the 300 (letter car) 
> transmissions and it gets very involved. Front and rear clutch packs 
> have more friction discs. Front cushion spring is eliminated, kick 
> down lever is of a different ratio, rear clutch spring is different, 
> accumulator spring is eliminated, line pressures are higher, clutch 
> pack clearances are closer, band adjustments are tighter and governor 
> weights and springs are different."
>
> 2) "The fluid to use in these transmissions (letter cars) is type F or 
> FA. I prefer type F when available. Type "A" suffix "A" should not be 
> used and is fortunately not readily available. Do not use Mercon or 
> Dexron, as they will result in early transmission failure. Chrysler 
> put out a special tech bulletin to technicians to use Type F, even in 
> the A833 4-speed transmissions."
>
> It would be interesting if someone could dig up that tech bulletin and 
> see exactly when it was issued and to what transmissions it applies to.
>
> Of note, after Dexron was introduced Chrysler began using it as the 
> factory transmission fill for both TorqueFlite and the A-833 4-speed. 
> From the
> 1975
> chassis service manual, page 0-27: "Use only fluids of the type 
> labeled DEXRON Automatic Transmission Fluid such as MOPAR DEXRON 
> Automatic Transmission Fluid, Part Number 3549660, or equivalent."
>
> Of course, this was long after letter cars and their modified high 
> performance transmissions. I assume, therefore, the real need for type 
> F is both for firm shifts and the so the modified higher performance 
> letter car transmissions do not fail prematurely.
>
> Carl Bilter
>
> [Non-text portions of this message have been removed]
>
>
>
>
>
>
> [Non-text portions of this message have been removed]
>
>
>
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