Probably not relevant, but I read somewhere that Toyota changed the specification of oils in the transmission of the Land Cruiser in order to reduce drag and to get the vehicle into a lower emissions tax band.
Kind Regards, Paul Paul Fileman +44 (0) 7969 188820 Sent from a wireless device. On 22 May 2012, at 20:27, Gerald Wallace <[email protected]> wrote: > With full approval from Peter I have copied his posting to TalkMorgan here > onto MogTalk, as I know some of you have expertise in the field of oils and > lubrication. I will forward any responses onto him. > Gerry. > > > > 'After searching for more information for the gearbox (MCT-75) fitted to my > 2009 +4, I found confusing informations regarding the correct oil > specifications for this gearbox. > > This gearbox was fitted to +4, 4/4 from (early 00's?) till replacing with > Mazda MX-5 Gearbox in 2011(2012?). It is a continuation of the Ford MT/MTX-75 > Gearbox used in several Ford Models from the late 80's till mid 00's as a > rear drive (MT) and front drive (MTX) gearbox. > > Regarding the correct oil for this Gearbox: MMC specifies 75W-90 GL4. > However, Ford specified for the MT/MTX-75 Ford Spec ESD-M2C186A to pre 2000 > and Ford Spec WSD-M2C200C (75W-90 GL4) for models to 2000-07/2006. Why Ford > changed the specification is unknown to me. So far I understood, there were > no constructive changes or new materials used comparing the MT-75 and the > continued MCT-75. > Interestingly, There is a special oil still available for the MT-75 gearbox - > Kroonoil SP1031. It was special development for Ford MT75 gearbox, it is even > stated on the bottle (it meets the earlier Ford Spec ESD-M2C186A). Probably > also similar are Lodexol MT-75, Castrol FMT?. Comparing the data sheets and > viscosity indexes of both oils (SP1031 and 75W-90), it is obviously, that the > SP1031 is much nearer to an ATF Oil. > > Reading some Ford forums – problems witch changing gears (if 75W-90 used) > during cold weather are often mentioned and cured using ATF or the mentioned > Kroonoil SP1031, which was the earlier recommended oil for the MT-75 gearbox. > > The MT-75 gearbox specific oils (e.g. Kroonoil SP1031) allow smoother gear > changes in general and namely during cold weather. This might not be of > relevance for many Morgan drivers, who do not drive their cars during winter > time. > On the other hand, there are no statements how noisy the gearbox is with the > particular oils, as well about the wear protection capability of both oils. > In general, it probably should be more noisy with the ATF-like Oil (SP1031), > as ATF has lower viscosity than an common 75W-90. This might be relevant for > Morgan drivers, as they hear all the noises of their Morgans direct and > unfiltered... In modern cars, more noise due to less viscous oil is not so > audible, because of the good insulation. > > So, not driving my Morgan in winter time (possible gear change difficulties > in cold weather less relevant to me), accepting the general gear change > smoothness, preferring less noise and better wear protection, I go with the > MMC specification for the MCT-75 gearbox in my +4. However, the MT-75 > specific oils (Kroonoil SP1031) might be an interesting alternative if the > preferences differs. > > Maybe some of You has more knowledge, please correct me if I am not right. > > Peter' > > > > > > > View posts on The Mail Archive > http://www.mail-archive.com/[email protected]/ > Modify Your Subscription ------------------------------------------- View posts on The Mail Archive http://www.mail-archive.com/[email protected]/ [http://www.mail-archive.com/[email protected]/] Modify Your Subscription: https://www.listbox.com/member/?member_id=22459785&id_secret=22459785-4a39ddf8 Powered by Listbox: http://www.listbox.com
