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Motul Gear 300 75W90, any experiences?

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Old 02-13-2012, 10:41 PM
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Default Motul Gear 300 75W90, any experiences?

Has anyone used Motul Gear 300 in their transmission and care to share their impressions. I've used Amsoil MTF in the past, which worked well, but looking to try Motul's offering.

Edit: Motul Gear 300 is safe to use in the differential, but I'm asking about using it in the transmission given that it is a GL5.

From Turner Motorsports:

This MOTUL SAE 75W90 gearbox and differential fluid is a 100% synthetic ester based oil, which can be used in tranmissions and rear differentials under all conditions of use -- street, track and racing. This oil has proved its qualities and resistance to extreme conditions. Turner Motorsport uses MOTUL fluids in our own championship winning BMW race cars, as well as our own personal street-drive vehciles. We would not hesitate to use this MOTUL 75W-90 GEAR 300 gear oil on our own personal vehicles, and neither should you. Be sure to check your owners manual before selecting oil products for street applications. This is a 1 liter bottle, so be sure to order enough for your specific application. API GL-5. MIL-L-2105D.
Old 02-14-2012, 02:07 AM
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I recommend that you stay with a MTF or MTL for synchronized transmissions. If the Motul 75W-90 is a GL5, then it may have EP additives that will attack yellow metals in your tranny. If you want to try a 75W-90 gear oil, then look for a GL4 rated product.
Old 02-14-2012, 03:39 AM
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Yes, excellent experience with it by all accounts, when used in the diff.
Old 02-14-2012, 07:39 AM
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I use it in my diff as well. Been using it for the last 2 years that I've had my car with extremely positive results. Motul's 75w90 in the diff, Honda MTF in the tranny and generally Mobil 1 in the engine, unless I plan to track it, then it's Motul's in the engine for the event.
Old 02-14-2012, 03:26 PM
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Ah sorry, I thought it was transmission oil according to their description:

http://www.turnermotorsport.com/p-24...ial-fluid.aspx

But I guess that excludes synchro transmissions?
Old 02-14-2012, 03:36 PM
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OEM Honda MTF felt like it was thinning out after about 4 hot laps. Ambient track temps ranged from 85-90+
Old 02-14-2012, 07:31 PM
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Originally Posted by modMonkey
Has anyone used Motul Gear 300 in their transmission and care to share their impressions. I've used Amsoil MTF in the past, which worked well, but looking to try Motul's offering.

Religiously used Gear300 in my gearbox beginning from my 2nd oil change. UOA at the 3 year mark (which includes about 80K kms of street driving and track days) was excellent with little wear apparent. I would highly recommend it.
Old 02-15-2012, 02:36 AM
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Originally Posted by c32b
Originally Posted by modMonkey' timestamp='1329205290' post='21412656
Has anyone used Motul Gear 300 in their transmission and care to share their impressions. I've used Amsoil MTF in the past, which worked well, but looking to try Motul's offering.

Religiously used Gear300 in my gearbox beginning from my 2nd oil change. UOA at the 3 year mark (which includes about 80K kms of street driving and track days) was excellent with little wear apparent. I would highly recommend it.
Did your UOA show how much sulphur this gear oil contains? Please post your UOA for us.
Old 02-15-2012, 10:11 AM
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I have a bottle of gear 300 and was wondering if it was safe to use in the diff.
Old 02-15-2012, 11:26 AM
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Originally Posted by INDYMAC
Originally Posted by c32b' timestamp='1329280299' post='21415725
[quote name='modMonkey' timestamp='1329205290' post='21412656']
Has anyone used Motul Gear 300 in their transmission and care to share their impressions. I've used Amsoil MTF in the past, which worked well, but looking to try Motul's offering.

Religiously used Gear300 in my gearbox beginning from my 2nd oil change. UOA at the 3 year mark (which includes about 80K kms of street driving and track days) was excellent with little wear apparent. I would highly recommend it.
Did your UOA show how much sulphur this gear oil contains? Please post your UOA for us.
[/quote]

Yes, same question. Can you post the UOA?


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