matteo306gti Posted March 12, 2013 Share Posted March 12, 2013 Hi guys i m sorry if already presents a thread as mine but i coulnt find out....so.... i m obsessionate from the best oil about engine, gearbox and diff....so now i decided to make a full service to my new supra(the ex envy demo car)... so i changed ik27 denso spark with brand new ngk iridium 9, new motul v300 15-50 engine oil and now i should decide the best oils for transmission.... in my high spec gtr i always used motul competition 75-140, but i seen for supra getrag is better use only v160 atf oil or royal purple syncromax... i know the atf oil is an old oil, the first oil for automatic transmission, than (maybe texaco if i remember well) produced MTF, the mtf i think is better than atf because more reliable with manual syncro and most new formulation... i have a particoular mtf rs in stock for my honda race car(honda has gearbox problems with all oils if u dont use mtf oil) and i would like to know if anyone tested an Mtf oil gl4 gl4/5 75-80 inside getrag before change it.....i think it can be perfect but i would like some adivices... i think i ll use motul competition 75-140 for rear diff(i have trd diff inside) thanks to all cheers Matteo Quote Link to comment Share on other sites More sharing options...
Tyson Posted March 12, 2013 Share Posted March 12, 2013 I have heard lots of opinions from lots of people, some say MTF will eat the seals some say not but provides better lubrication, some say only use ATF but that Toyota used it get more MPG. I personally took advice (do so at your own risk) and used motul gear oil recommended by Chris Wilson and it transformed the gearbox, so much quieter and smoother to drive. All I can say is do your research and make your own informed decision. I was on V160 before. Quote Link to comment Share on other sites More sharing options...
matteo306gti Posted March 12, 2013 Author Share Posted March 12, 2013 thanks mate.... i thought to put inside or mtf or royal purple....atf is not specific oil for syncro (because automatic gearbox havnt them) so i seen lot of time atf demage syncro during run... mtf is similar to the atf but with right formulation for syncro.... i dont know what to do hahahah Quote Link to comment Share on other sites More sharing options...
Alex Posted March 13, 2013 Share Posted March 13, 2013 Just use the oils in the FAQ. Quote Link to comment Share on other sites More sharing options...
Alex Posted March 13, 2013 Share Posted March 13, 2013 I have heard lots of opinions from lots of people, some say MTF will eat the seals some say not but provides better lubrication, some say only use ATF but that Toyota used it get more MPG. I personally took advice (do so at your own risk) and used motul gear oil recommended by Chris Wilson and it transformed the gearbox, so much quieter and smoother to drive. All I can say is do your research and make your own informed decision. I was on V160 before. Which Motul gear oil? If you have a recommendation then please give everyone the details. Quote Link to comment Share on other sites More sharing options...
Tyson Posted March 13, 2013 Share Posted March 13, 2013 Motul Gear 300 75W-90 This one from opies http://www.opieoils.co.uk/p-899-motul-gear-300-75w-90-racing-gearbox-and-differential-lubricant-100-synthetic-ester-based.aspx Quote Link to comment Share on other sites More sharing options...
ManwithSupra Posted March 13, 2013 Share Posted March 13, 2013 I use Millers Oils Millermatic ATF SP III - Lovely... Quote Link to comment Share on other sites More sharing options...
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