Home > Maintenance & Modifications > Motul 300 in a TDCi gearbox, transfer box, AND axles?? |
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jim4244 Member Since: 13 Apr 2014 Location: Bedfordshire Posts: 803 |
Not used Motu before but recently, after a chat with one of the Opie advisors, I used Red Line oil in my gearbox and transfer box, along with Castrol TRANSMAX long life in the diffs. Since the fluids change I have never driven a Defender with such a smooth gear change….
Gearbox - Red Line MTL Transfer box - Red Line 75W90 Diffs - Castrol TRANSMAX Axle long life 75W90 Not cheap oils but they make a very noticeable difference in the drivability fo my Defender. Jim |
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20th Oct 2021 9:47am |
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jim4244 Member Since: 13 Apr 2014 Location: Bedfordshire Posts: 803 |
I should have added that I have a 1997 300Tdi with an R380 gearbox.
Jim |
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20th Oct 2021 9:49am |
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Dinnu Member Since: 24 Dec 2019 Location: Lija Posts: 3424 |
Keep in mind that diffs and transfer box have different requirements to a gearbox... as they do not have synchromeshes to align.
For the diffs, I prefer a thicker oil. 1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing 2012 90 CSW, 2.2TDCI, Santorini Black |
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20th Oct 2021 10:01am |
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Matt110 Member Since: 29 Jun 2014 Location: UK Posts: 685 |
I'm absolutely with you - i'd always have preferred a thicker oil. But I've never got into the engineering behind that... why do we both prefer a thicker oil? I've no idea myself it's just a gut feel and something i've always done.
If a more "modern" high shear oil is capable..... perhaps it's just as good. OPIE's thoughts were certainly that way. I keep trying to find a google test or spec sheet or anything for something like a motul 300 vs a more traditional oil like an EPX as a direct comparison. Nothing really exists that i've found yet. |
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20th Oct 2021 10:08am |
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Matt110 Member Since: 29 Jun 2014 Location: UK Posts: 685 |
Thanks Jim, Redline sounds interesting. What was the reasons given by OPIE for it being a better oil? |
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20th Oct 2021 10:09am |
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Porny Site Sponsor Member Since: 31 Aug 2009 Location: Sutton Coldfield - West Midlands Posts: 809 |
I'd also have a look at Swepco Oils.... I run their oils in quite a few Defenders now (and the grease is exceptionally good as well).
http://islubricants.co.uk Mark is the man to speak to.... IRB The home of the first modified Keswick Green 90 - and the first 2.4 Puma through both the 200bhp and 550Nm barriers. www.IRBdevelopments.com www.facebook.com/irbdevelopments www.integrated316.com www.facebook.com/integrated316 |
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22nd Oct 2021 10:55pm |
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Bluest Member Since: 23 Apr 2016 Location: Lancashire Posts: 4216 |
I did run Gear 300 in everything for a couple of years with no apparent problems, but it is very expensive if you want to change quite frequently. Instead, I still have it in the gearbox and transfer box, and use the cheaper Motul Gear HD in the axles. I dont do enough miles to know if this is a wise long term choice, but Motul are a proper company and the oil meets the required specs so I'm confident it’s a good choice,
I think, particularly with the axles, any reputable brand will have a good oil for the job. 2007 110 TDCi Station Wagon XS |
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23rd Oct 2021 6:49am |
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