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

Epperly epperly1@optonline.net
Tue, 12 Aug 2003 19:27:25 -0400


My 91 was just the oppsite, had MTL in it and would not shift nice till it
had a few miles on it. Changed to syn ATF made it shift smooth from the
start.
        Ken

> 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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> >>
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