Reply With QuoteWholeheartedly agree.Originally Posted by incisor
SysAdmin (Owner)
vmx80 is okay and works well in the LT85 but syntrans is a quantum leap better...
2007 Discovery 3 SE7 TDV6 2.7
2012 SZ Territory TX 2.7 TDCi
"Make the lie big, make it simple, keep saying it, and eventually they will believe it." -- a warning from Adolf Hitler
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'If everyone colludes in believing that war is the norm, nobody will recognize the imperative of peace." -- Anne Deveson
“What you leave behind is not what is engraved in stone monuments, but what is woven into the lives of others.” - Pericles
"We can ignore reality, but we cannot ignore the consequences of ignoring reality.” – Ayn Rand
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Swaggie
Wholeheartedly agree.
URSUSMAJOR
Swaggie
x3
And, for those who go "by the book" - lubricant technology has improved in leaps and bounds since the book was written. A dedicated gear oil should provide much better lubrication than engine oil or ATF in a gearbox.
Master
And, for those who go "by the book" - lubricant technology has improved in leaps and bounds since the book was written. A dedicated gear oil should provide much better lubrication than engine oil or ATF in a gearbox.[/QUOTE]
Regardless of the improvements in oil technology the box hasn't changed and therefore is still matched to the 'oil of the day'. There is no guarantee or tangible proof that the newer oils are going to provide a quantum leap in a gearbox that was designed nearly 25 years ago.
Maggsie
04 V8 Disco
85 V8 County
RoverLord
yes but you cheated, you also had a reco'd box re-bearinged before you ran this lot of VMX. (hows it holding up BTW?)
Regardless of the improvements in oil technology the box hasn't changed and therefore is still matched to the 'oil of the day'. There is no guarantee or tangible proof that the newer oils are going to provide a quantum leap in a gearbox that was designed nearly 25 years ago.
Maggsie
04 V8 Disco
85 V8 County[/QUOTE]
Sorry going to disagree.
In this day and age of "racey shift" drivers that are used to driving itsy boxes with short throws and ratios the benifits of the oil are there you can shift the boxes faster and at cooler temps and the syncros will last longer.
I still advise running the normal ATF or the Engine oil because thats what the book says but then the book also explains the correct driving techniques to use with the vehicle.
Dave
"In a Landrover the other vehicle is your crumple zone."
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SysAdmin (Owner)
there is when you fill the box and drive it for a month....
2007 Discovery 3 SE7 TDV6 2.7
2012 SZ Territory TX 2.7 TDCi
"Make the lie big, make it simple, keep saying it, and eventually they will believe it." -- a warning from Adolf Hitler
"If you don't have a sense of humour, you probably don't have any sense at all!" -- a wise observation by someone else
'If everyone colludes in believing that war is the norm, nobody will recognize the imperative of peace." -- Anne Deveson
“What you leave behind is not what is engraved in stone monuments, but what is woven into the lives of others.” - Pericles
"We can ignore reality, but we cannot ignore the consequences of ignoring reality.” – Ayn Rand
"The happiness of your life depends upon the quality of your thoughts." Marcus Aurelius
Swaggie
Exactly. Change to Syntrans and let it settle in for a month and tell us then if you think it doesn't make a significant difference.there is when you fill the box and drive it for a month....
When the R380 was first released didn't Land Rover spec ATF, then changed their spec shortly after to MTF94 when it became available??? Obviously Land Rover thought it worth switching to the new oils....
Fossicker
I was running 15w40 semi synthetic engine oil. I checked the levels and noticed it was foaming.
this could be due to the previous unknown to me oil reacting to the detergents in the engine oil? I put vmx 75-85 in today I haven't heard lots of people say this yet but I found the 15w40 to be way smoother shifting, given you let it warm up for a few minuets.
The vmx just feels horribly crunchy and light the whole time especially if your changing 1st to 2nd to 3rd with higher revs no mater how slow I shift it feels crunchy. It dose feel better changing down gears then the engine oil but I feel like I have way more control over how it shifts with the 15w40.
Any one else feel that way or is it possible Im just used the way the gearbox behaves with the 15w40
ForumSage
SupporterATF doesn't have the EP additives which are I understand are mainly needed for hypoid gears, an auto box still has gears but doesn't have synchro's.
The ATF also has to act as a hydraulic fluid in an auto box but is still recommended for some manual boxes.
My Defender at about 130,000 is running ATF with no problems.
I was looking at changing to Syntrans or similar but the recommendation was to stay with ATF if everything is OK.
I'm guessing that any ATF is suitable ? I was using Castrol 'ATF' which doesn't exist any more now it's 'ATF Dex III' or some other spec.
Automatic Transmission Fluid & Manual Transmission Fluid: What’s the Difference?
Colin
'56 Series 1 with homemade welder
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