[s-cars] poll for best gear oil

[LL - NY]

As far as I know, Taka wasn't saying he had Redline in either his GLi, nor
in his STi. Sounds like only Peter stated Redline was a bit stiff at 40F.

LL

On 9/28/07, Mike Fitton <rfitton at vt.edu> wrote:
>
>  Interesting comments, all.  Yeah, his other car is a 1.6L Miata which he
> also filled with MT90.  Also has a nice heavy stainless knob.  Wicked action
> on that.  Rifle-bolt is a good comparison.  He loaned it to me for a week
> when I was in a bind.  Yadda yadda yadda, I want a Miata now.   (For sale,
> by the way...unless dude picks it up tonight.)  Anyway, I digest.
>
> So his A4 has about 120k on it now.  He got it with 70-75k as I recall.
> Linkage blows goats, but the box itself has always felt fine to me.  We
> replaced what we assume to be original Audi fluid at about 110k with a new
> clutch.  Didn't need to, but I think he was halfway thinking of replacing
> the input shaft seal.  In the end, he said the 10 year old Audi fluid was
> better than brand new Redline.  I haven't driven it since the new clutch, so
> I don't know for myself.  But like many on here, he has also observed the 40
> degree mark with the Redline.
>
> Okay, maybe I'll give it a shot.  Prolly try the Swepco too.  I've also
> had good luck with BG Syncroshift.  And maybe that secret GM fluid that's
> actually something good in disguise if I can remember which it is.  I guess
> fluid's cheap enough that I can experiment a little.
>
> Thanks for the input.
>
> -Cheers!
> Mike
>
> LL - NY wrote:
>
> I live where winter gets below 20 degrees F regularly.
>
> When I switched to Redline in my GTi, shift action when cold got
> significantly better. Same with my 4KQ.
>
> No noticable change in either my 200Q nor my S6, but that is likely due to
> the fact that both of those
> cars were likely factory fill..;which is specified to be synthetic anyway by
> Audi.  That explained why
> theere was no noticable effect. It already had synth.
>
> FWIW, I accidentally (before I knew about this list) filled my 200Q's
> gearbox with Mobil 1 GL5 gear oil.
> Eventually, the slicker GL5 spec made the synchros stop doing their job, the
> gearbox got graunchy.
> A switch to Redline MT-90 and about 200 miles got things back to normal
> again.
>
> So, I'd agree with what Rich has to say, there may have been problems with
> Mike's friend's tranny. IMHO,
> Redline (or probably any other proper synth GL4 fluid) and the list "saved"
> my 200Q's tranny.
>
> On 9/28/07, Taka Mizutani <t44tqtro at gmail.com> <t44tqtro at gmail.com> wrote:
>
>  Along the lines of what Rich said, if your synchronizers are shot, the
> slicker action of Redline will allow you
> to shift faster than the synchros can keep up.
>
> Redline slicked up my Miata's transmission to nearly rifle-bolt precision.
>
> I didn't notice any real difference in my 5ktq or my 200q when doing
> Redline, though.
>
> It didn't really do anything in my old Pathfinder, either.
>
> Some transmissions are a lot more sensitive to cold weather, though- my
> old
> VW GLI was really crunchy until the gearbox warmed up. Same thing with the
> STi- it doesn't want to engage 1st or 2nd very easily in sub-40F weather.
>
> Taka
>
>
> On 9/28/07, Rich Assarabowski <konecc at snet.net> <konecc at snet.net> wrote:
>
>  Reline MT-90 has always worked well for me on every car I've owned,
>
>  though
>
>  I
> know some people would say otherwise.  I wonder how much it has to do
>
>  with
>
>  the condition of the transmission, "kinda sucks" may be indicative of
> other
> issues with the transmission.  Why was your friend unhappy with it, what
> exactly were the symptoms?
>
> -- Rich A.
>
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