Aston Martin DB7, DB9, DBS, Vantage V8, Vanquish, and Classic models

Motul gear oil 300 LS

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Old Sep 5, 2020 | 10:46 AM
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Motul gear oil 300 LS

Has anyone use this oil MOTUL has it listed for V8V gearbox

TRANSAXLE, MANUAL, GRAZIANO 6 / 1

CAPACITY 4,5 LITRE
NORMAL
CHECK 32000 KM/ 24 MONTHS, CHANGE 64000 KM/ 48 MONTHS
GEAR 300 LS 75W-90
100% synthetic lubricant for all mechanical...


 
Old Sep 5, 2020 | 01:00 PM
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Motul 300LS is GL5-rated and contains a sulfur/phosphorus extreme pressure additive over and above a GL-4 oil. The GL-5 additive is necessary for high-offset hypoid differential gears but has been shown to cause yellow metal erosion and premature manual transmission synchromesh ring wear. To avoid this I use Amsoil's 75W-90 Manual Transmission and Transaxle Gear Lube. It is a straight GL-4 oil with no GL-5 extreme pressure additive to harm our synchro rings. It also contains a friction modifier necessary for limited slip differentials. Why use a lubricant which may damage our transaxles? Redline and Liqui-Moly also have good GL-4 oils.
 
Old Sep 5, 2020 | 02:09 PM
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Thanks,
 
Old Sep 5, 2020 | 05:07 PM
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i use the exact motul transaxle lube that redpants used in his excellent DIY video on the subject. IIRC there are or were several fully synthetic transaxle lubes available. can't remember off the top of my head if that's the one or not. the packaging is similar on all of them. in any case, at a few thousand miles a year, i expect to be long dead before any damage will be done with just about anything i throw in there. such is one of the rare and advantageous perquisites of growing old.

 

Last edited by 61mga; Sep 5, 2020 at 05:13 PM.
Old Sep 5, 2020 | 05:20 PM
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Thanks, thats what I ordered from Amazon 5 liters of Motul Gear 300
 
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