[MR2] More Tranny Oil Stuff

James seawa.anon at gmail.com
Fri Apr 10 14:35:48 EDT 2009


All that aside, Ken; isn't GL-5 a higher grade of oil?

James

On Fri, Apr 10, 2009 at 11:24 AM, Ken Blake <kblake at royalmoore.com> wrote:

> A couple of points.
>
> 1) Toyota variously recommended GL-3, GL-4, or GL-5 at various times, in
> various documents:
>
> http://mr2.noegruts.com/trannyoil/trannyoil.htm
>
>
> 2) Kris is one of the most ham-fisted shifters I have ever ridden with.
> He's famous with everyone who has ridden with him for
> shifting hard. The shifter cable he broke was actually on the road course
> in Vegas, at the SW2003 MR2/All Trac meet. (not drag
> racing)
>
> He was using a borrowed E153 from John Santesson's 91T. Prior to Kris
> borrowing the tranny, it shifted perfectly (for a 91-92
> transmission). Afterward it did not. That is when Kris purchased a new 93+
> with LSD transmission, which he also proceeded to
> wreck with his shifting technique.
>
> 3)I exclusively used MT-90, and later Pennzoil Synchromesh in Deuce Coupe's
> (original) 93 tranny. I owned the car for 6 years,
> during which time I put about 60k miles on the car at power levels from
> stock to 390RWHP. The car shifted as well the day I
> sold it as it did when I bought it with 45k garage-queen miles on it.
>
> In short, I would not base my transmission oil decisions on his anecdotal
> evidence.
>
>
>
> Ken Blake
> Royal Moore Toyota Parts
> Direct: (503) 693-6893
> kblake at royalmoore.com
> AIM: RoyalMooreToyota
> http://www.supra411.com/forums/forumdisplay.php?f=63
>
> 20% off list price on Toyota and TRD parts, free shipping, and no sales
> tax.
>
> No pre-pay requirement for special orders. You pay the day you get your
> tracking number.
>
>
>
> -----Original Message-----
> From: mr2-bounces at mr2.com [mailto:mr2-bounces at mr2.com] On Behalf Of James
> Sent: Friday, April 10, 2009 9:52 AM
> To: mr2 at mr2.com
> Subject: [MR2] More Tranny Oil Stuff
>
> For what it's worth, when I first bought my '93 Turbo I researched engine
> and gear oil pretty thoroughly before deciding on
> what to use, and finally settled on Mobil One Synthetic engine oil, and
> Royal Purple Gear Oil.
>
>  Royal Purple is API GL5 rated, and I believe that Redline is not.  Toyota
> specifies API GL5.
>
>  The following is from Kris Osheim of KO Racing.  He makes a pretty
> convincing argument, and that's what convinced me to use
> Royal Purple:
>
>  "This is my input on the gear oil for the MR2 Turbo E153:  I've used
> Redline, Synchromesh, conventional, Valvoline, and Royal
> purple.  Of all the fluids listed, only Royal Purple is API GL5 rated.  I
> believe there is a reason that in the owner's manual
> for my car it lists using an API GL5 fluid in the transaxle.  It has a
> higher shock load, and shear resistance.
> I purchased the transmission for Loki new from Toyota in 2004.  I rebuilt
> the transmission in 2007 to find out that I had worn
> down 3 of the first
> 4 gears.  I also found out that the new transmissions from Toyota don't
> have a dual cone synchro on 3rd gear (which was the
> worst shifting gear prior to rebuilding -- it would NOT go in without
> significant force and rev matching, and I actually broke
> a shifter cable drag racing it this way).  In the process of doing my
> rebuild, I modified a gear on my mill, and ordered the
> correct dual cone synchro pieces to repair the transmission.  I've also
> rebuilt several other transmissions locally that
> appear to have experiences excessive wear in the last few years who were
> running synchromesh and redline fluids.  I can't
> conclude that it was indeed the gear oil that lead to the wear on the gears
> I've seen, or if it is simply an age issue, but as
> Toyota specifies GL5, that's all I will put in a car any more, and I only
> personally use the Royal Purple Max Gear synthetic."
>
> > We kinda got off on motor oils here; this is for the transmissions,
> > and I have decided on Redline MT90 for both cars.  What I was asking
> > was where to buy.  I am in the middle of nowhere in Mississippi, so
> > I'll have to order it online.
> >
> > Ron
>  _______________________________________________
> MR2 Mailing List
> MR2 at mr2.com
> http://mr2.com/mailman/listinfo/mr2_mr2.com
>
>


More information about the MR2 mailing list