Oh crap... I just looked and sure enough. I used GL5. Where can I get GL4?
I just searched the archives and found the following: Any thoughts?
This is due to the use of sulfur based materials in the
early versions of GL5. I have spoken to Castrol engineers
a couple of times at trade shows and they assure me that
the latest (1996 on) versions of their GL5 lubes have
eliminated the sulfur additives. Comments by Phil Johnson
----- Original Message -----
From: "Joe Curry" <spitlist@gte.net>
To: "David Lover" <dlover25@home.com>
Sent: Sunday, April 29, 2001 7:02 PM
Subject: Re: Update from the newbie
> David,
> Look at the container and see if you put GL4 fluid or GL5 in. If it was
GL5, drain it and get yourself some GL4. The GL5 will ear up the brass
> synchronizer rings in the gearbox. (Ask me how I know)!!!
>
> Regards,
> Joe
>
> David Lover wrote:
> >
> > Woohoo!!! Success...
> >
> > I completed my first transmission fluid change. I changed the oil while
I
> > was at it. Let's talk about that first. The filter that was on it, when
I
> > bought the car, was a Valvoline VO-9. I checked everywhere in Rochester,
MN
> > for a replacement. Best I could find was a FRAM PH922A. It fit, but it
is
> > MUCH smaller than the Valvoline. I'm a little nervous about heat. When I
go
> > over 4000 RPM, I peak at about 3/4 of the temp gauge. Not sure if this
is a
> > problem or not. I'm worried about when the hot weather comes to
Rochester. I
> > used Castrol GTX 10W40. Engine runs much smoother. I feel more
acceleration.
> > A definite improvement.
> >
> > For the transmission fluid change... Haynes mentions SAE 90. I couldn't
find
> > it anywhere. The guy at Checker auto says 80W90 should work just fine.
Would
> > you agree? Wal-Mart had some 80W90 that was labeled for marine use. The
guy
> > said I shouldn't use that. Is there a difference?
> >
> > When I went to drain the existing transmission fluid, I noticed a LOT
(at
> > least I thought it was a lot) of metal shavings stuck to the plug (the
> > magnetic kind of plug). That can't be good. As for the refill, I bought
a
> > little hose attachment thing that screws onto the oil container and
allows
> > me to squirt the fluid up into the gearbox. It even has a twist shut
off.
> > Worked like a charm. Same principal that Ray mentioned. I did a
combination
> > of working from top and bottom.
> >
> > In a previous post, I mentioned that I get grinding if I shift from 1st
to
> > second to quickly. That problem seems to be gone. I should have measure
the
> > drained fluid to see how low it was before I started. Oh well. I still
pop
> > out of reverse, but the transmission feels MUCH better now.
> >
> > I noticed, that my car sat about 2 inches higher off the ground after
> > jacking up the car. About 10 minutes later, it eventually sank back to
> > normal. I had a real tough time getting my new hydraulic jack under the
car.
> > Can I assume that my shocks and springs are shot?
> >
> > Overall, the experience was a successful one! I appreciate everyone's
> > suggestions. They made the process much easier!
> >
> > David Lover
> > '74 Spitfire 1500 (with fresh oil, filter, and transmission fluid!!!)
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