Re: {Chrysler 300} Type F vs. Type A
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Re: {Chrysler 300} Type F vs. Type A



Does Don Verity agree that ATF+4 is suitable for a 1957 Torqueflite, whereas he has long specified Type F for that application?   Even if so, is there any advantage to ATF+4 instead of Type F?  Is there a possible problem with ATF+4 being synthetic and perhaps not completely compatible with original friction and softgood materials (clutch bands, seals, etc)?

Ray Melton    1957 Chrysler 300C

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On 6/4/2023 4:19 PM, Cox wrote:
ATF + 4 is backwards
Compatible according to
Chrysler for modern Torque Flites.

Bob Haag

On Jun 4, 2023, at 4:37 PM, Steve <saforwardlook@xxxxxxxxx> wrote:


It seems that I have some cars that were filled with Dextron II and some with Dextron III as time has progressed.  So is Dextron III backwards compatible with Dextron II?  Given a brief search of the internet at the time of changeover, most were saying ATFIII is backwards compatible but not all replies agreed but most said they are.  

Steve Albu

On Tue, May 23, 2023 at 6:40 AM 'Tony Rinaldi' via Chrysler 300 Club International <chrysler-300-club-international@xxxxxxxxxxxxxxxx> wrote:
Hi Don,

There is a Type FA. Any opinion whether it could also be used? It stands for Ford Automatic or Ford Anti Foaming Agents.

I heard that the original oils had Sperm Whale oils and no longer were available?

Tony

Here is a write up from the big block Ford site:

On the older shift kits from b&M they would recomend type F trans fluid for use in the brand x transmissions .the Type F helps give a firmer shift but doesn't hold up well to heat.  

Type FA Transmission Fluid
Type FA is a high-quality transmission fluid specifically engineered to protect and prolong the life of automatic transmissions. It is designed for use where Ford specifications M2C33-F, M2C33-G and Ford Type F fluids are recommended. 

•Provides excellent resistance against clutch slippage for extended transmission life 
•Provides excellent resistance to fluid oxidation/breakdown at high temperatures 
•Approved for 1980 and earlier Ford, Lincoln and Mercury vehicles 
•Approved for use in Mazda, Saab, Toyota, Volvo and other Japanese and European vehicles requiring a Type F fluid 
•Other applications include air compressors, general purpose hydraulics and power steering systems 
zoil A/C Compressor oil works good for modified high hp transmissions. type FA stands for ford automatic or ford anti foaming agents



On Monday, May 22, 2023, 6:52 PM, 'Donald Verity' via Chrysler 300 Club International <chrysler-300-club-international@xxxxxxxxxxxxxxxx> wrote:

Do not use type A. Go with Dexron III or type F. Either one will shift the same. Stay away from synthetics.
Don



Hello, everyone:

I recent had a discussion with another "gearhead" regarding the friction modifier in Type F. He said type F would hold up better in high performance engines than Type A. Has anyone used Type F in their engines? Any recommendations?

Best,
Ron Kurtz
E# 292
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