[Healeys] Gearbox oil volume
Roggrace
roggrace at telus.net
Mon May 25 19:15:40 MDT 2015
I am about to change my g/b and o/d oil for first time since taking ownership; just to be sure that I know what is in there; and I don't want to start another gearbox oil discussion. .....However so many people recommend MTL or MT90 that are both synthetic.I am a little reluctant to as don't need any new oil leaks with synthetic; maybe already have synthetic ,,,.?Anyhow for convenience was planning to use same as use in engine - Valvoline VR1 20-50Any thoughts regarding synthetic oil and gearbox leaks from more experienced users appreciated.rg
----- Original Message -----
From: Michael Oritt <michael.oritt at gmail.com>
To: Oudesluys <coudesluijs at chello.nl>
Cc: Austin Healey <healeys at autox.team.net>
Sent: Mon, 25 May 2015 05:08:10 -0600 (MDT)
Subject: Re: [Healeys] Gearbox oil volume
I agree with Kees--you really cannot overfill the box and even if you do the car will leak oil anyway so at worst you will have a larger puddle of oil under the car. Do be sure to use an oil with a GL4 rating or your yellow metal parts (synchro rings, etc) will not be very happy. I recommend RedLine MTL or MT90.
Best--Michael Oritt
On Mon, May 25, 2015 at 6:36 AM, Oudesluys <coudesluijs at chello.nl> wrote:
Never bother about the quantity, just
fill right up until the oil overflows the filler plug hole, both
overdrive and gearbox if they are separate.
When brass parts are used (e.g. synchro rings, selector forks, OD
parts) do not use EP "gearbox oil". Use straight oil, special oil
e.g Redline or 20W50 engine oil to save these parts in the box.
Kees Oudesluijs
Simon Lachlan schreef op 25-5-2015 om 11:47:
That’s very interesting. Seems like
they got the whole thing into a muddle on Day One and never
really recovered.Makes trial and error, one of my
usual fallbacks, seem quite sensible in the circs.Simon From: Healeys
[mailto:healeys-bounces at autox.team.net] On Behalf Of Keith
Taylor
Sent: 25 May 2015 03:20
To: healeys
Subject: Re: [Healeys] Gearbox oil volume
My original BN1 1954 Service Manual has
an "ERRATUM ' sticker on the inside cover stating :-
Gearbox/overdrive Oil Capacity The
combined capacity of the Gearbox and overdrive is 5 1/2 Imp.
pints (dry) and not 4 1/2 Imp pints as stated After
draining, 1/4 pint of oil will remain in the overdrive hydraulic
system, therefore ,only 5 1/2 pints will be required for
refilling.
Pubs. 996B and 997A December 1954 So when filling from rebuild add the
extra 1/4 pint .... 5 3/4 pints Later editions may have carried the
correction and side and top shift gearboxes may vary Keith Taylorsouthern Highlands OZ On 25 May 2015 at 07:54, Patrick &
Caroline Quinn <p_cquinn at tpg.com.au>
wrote:Greetings Well that’s
interesting as I will be buying the oil for the
BN3’s gearbox this week. It is a 100S gearbox with a
22% OD that has been completely rebuilt and apart
from the oil used in the assembly it’s completely
empty. My 1968 BMC
Workshop Manual (AKD 1179H) that I bought new in
September 1974 for $7.00 states that the oil
capacity for a side-shift gearbox fitted with an OD
is 6 ¼ imp pints, 7.5 US pints and 3.55 litres. I
states the same for a centre-shift box as well. So I
will be buying a 4 litre container and store what’s
left over for the inevitable leaks. Talking about
leaks I was watching a Jay Leno video of his Daimler
SP250 over the weekend and he made mention that all
things over 50 or 60 years of age are bound to leak. Hoo Roo Patrick QuinnBlue MountainsAustralia From: Healeys [mailto:healeys-bounces at autox.team.net]
On Behalf Of Bob Spidell
Sent: Monday, 25 May 2015 12:14 AM
To:healeys at autox.team.net
Subject: Re: [Healeys] Gearbox oil volume Offhand, I'd
believe the workshop manual first. If you're
doing a drain-and-fill, you don't know for sure
how much residual oil is left so you have to go
by the dipstick anyway.
BobOn
5/24/2015 6:32 AM, Simon Lachlan wrote:Hi,1)
My car’s Driver’s
Handbook page 7, (AKD 3915A) tells me that:my MkII
BT7’s gearbox takes 5.75 imp pts (6.90 US pts)
its
overdrive takes 1.33 imp pts (1.75 US pts) 2)
My BMC Workshop Manual
(AKD 1179D) tells me that:gearbox
4.0 imp pts (4.80 US pts)Total
gearbox, overdrive fitted, 5.25 imp pts (6.30
US pts) 3)
My Haynes manual goes
for:Standard
box:- 5 imp ptsWith
overdrive:- 6.25 pts 4)
My Autopress manual
(Kenneth Ball) goes for:Standard
box:- 5 imp ptsWith
overdrive:- 6.25 pts ie only
Haynes and Autopress agree.I’ve had
this Healey for +/- 20 years and I’ve never
noticed these discrepancies! I seem to have
survived by using the dip stick, but I’d bet
that I’ve overfilled more than once. Any ideas?
I don’t recall this coming up before..... Thanks,Simon(And I
didn’t mention Redline once!)
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