[Shotimes] Redline D4 best fluid of choice for an MTX-IV with "paper" synchros

[Donald Mallinson]

Yes, ford uses and recommends ATF from the factory.

My only complaint about that was the cold weather 
performance of typical ATF.  Very stiff in cold weather and 
for several miles till the tranny warmed up.

Switching to Redline MTL in my '89 solved the problem.

Went with D4 with the new Quaife and fiber syncros, because 
Mike Courtney recommended the thinner fluid for better 
splash and gravity fed lubrication inside the tranny.  It 
worked well with MTL, but we changed it out after a while to 
the D4, no real difference in how the unit shifted between 
the two fluids.

Don Mallinson

Ron Porter wrote:
> I believe that Ford was using ATF in the MTXs, but I don't recall seeing
> anything about what they really used. Whatever, the cars seemed to shift OK
> from the factory.
> 
> Ron Porter 
> 
> -----Original Message-----
> From: Carl Prochilo [mailto:gr8sho@prochilo.myserver.org] 
> Sent: Tuesday, August 12, 2003 11:49 AM
> To: Ron Porter
> Cc: 'SHOTIMES'
> Subject: RE: [Shotimes] Redline D4 best fluid of choice for an MTX-IV with
> "paper" synchros
> 
> 
> What I got out of this is the way BMW approached selection of transmission
> fluid for their cars.  One point being that from the factory they use an
> ATF fluid.  Ford could have done the same for our cars when the synchro
> design change was made but didn't.
> Anyone know if the 5-speed Getrag in the Lincoln LS uses ATF fluid?  Just
> curious.
> 
> Cheers,
> Carl Prochilo
> 92 Ultra Red Crimson
> 
> 
>>Looks like a pretty basic site for 325i maintenance. I did send them an
>>email with our procedure for flushing the power steering systems, though.
>>
>>Ron Porter
>>
>>-----Original Message-----
>>From: shotimes-admin@autox.team.net [mailto:shotimes-admin@autox.team.net]
>>On Behalf Of Carl Prochilo
>>Sent: Monday, August 11, 2003 12:22 PM
>>To: Donald Mallinson
>>Cc: 'SHOTIMES'
>>Subject: Re: [Shotimes] Redline D4 best fluid of choice for an MTX-IV with
>>"paper" synchros
>>
>>
>>For grins, I used Google searching for "Redline fluid".
>>
>>This was the first hit in the list.
>>
>>http://www.bmw325i.net/rev_redline_tran_fluid.shtml
>>
>>Cheers,
>>Carl Prochilo
>>92 Ultra Red Crimson
>>
>>
>>>When Mike Courtney put in my Quaife and the new fiber style
>>>syncro's, he told me that D4 was better for ONE reason:
>>>
>>>It was thinner and would splash around and flow better
>>>through the main shafts and lubricate things better.
>>>
>>>It has nothing really to do with the type of syncro.
>>>
>>>Don Mallinson
>>>
>>>Carl Prochilo wrote:
>>>
>>>>Ok, I'll bite, what are the characteristics of D4 in a newer MTX-IV.
>>>>In
>>>>other words, what would the driver notice?  Faster operation of the
>>>>gearbox?  If the car normally sits in warm to hot weather, will the D4
>>>>make any noticeable improvement?
>>>>
>>>>Carl Prochilo
>>>>92 Ultra Red Crimson
>>>>
>>>>
>>>>
>>>>>Upon the discovery of the composite synchros and the
>>>>>new ATF fluid requirement, it seems that D4 is what works with the
>>>>>newer
>>>>>boxes, or an older box that has been rebuilt with the newer parts.
>>>>
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