Manual Gearbox Fluid for Cayenne - MT90, Max-Gear, Pentosin, Porsche?
02-03-2015, 06:06 PM
#1
Track Day
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Manual Gearbox Fluid for Cayenne - MT90, Max-Gear, Pentosin, Porsche?
Hello Gents,
Would rather NOT blow $50 per Liter on "Porsche" Manual 6Spd. Gearbox fluid to service. (If I can help it).
2010 Cayenne 4.8L GTS 6-Spd. Manual. Not a Turbo. 80K Miles and absolutely LOVE this rig!!!
Any EXPERIENCES with Redline MT90, R.P. Max-Gear 75W-90, some Pentosin or Motul product, etc?
If 75W-90 is what's called for then Royal Purple or RedLine should be regarded as Very Capable Stuff, No?
Standing By and Thanks Very Much for your input.
Would rather NOT blow $50 per Liter on "Porsche" Manual 6Spd. Gearbox fluid to service. (If I can help it).
2010 Cayenne 4.8L GTS 6-Spd. Manual. Not a Turbo. 80K Miles and absolutely LOVE this rig!!!
Any EXPERIENCES with Redline MT90, R.P. Max-Gear 75W-90, some Pentosin or Motul product, etc?
If 75W-90 is what's called for then Royal Purple or RedLine should be regarded as Very Capable Stuff, No?
Standing By and Thanks Very Much for your input.
02-03-2015, 11:41 PM
#2
Three Wheelin'
Redline recommends their 75W90 NS GL-5 Gear Oil and some have used the MT-90 but it doesn't have the extra extreme pressure additives the 75w-90 does. The Porsche fluid is Burmah BOT 338 SAE 75W Porsche part number 000.043.300.38
I'd go with the Redline 75-90 NS. There is a difference between the regular Redline 75w-90 and the 75w-90NS. I think the NS has more friction modifiers which should help with the Syncros operation. The modifier is intended for the clutches in a Limited Slip transmission.
I'd go with the Redline 75-90 NS. There is a difference between the regular Redline 75w-90 and the 75w-90NS. I think the NS has more friction modifiers which should help with the Syncros operation. The modifier is intended for the clutches in a Limited Slip transmission.
02-05-2015, 02:34 PM
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hahnmgh63: THANKS very much! Ordered the "NS" and on the way.
All drive train fluids and Engine oil would cost $1,000 at Dealership from quote. I will get all done for $245.00 in fluids and a filter in the driveway. Pretty good savings.
All drive train fluids and Engine oil would cost $1,000 at Dealership from quote. I will get all done for $245.00 in fluids and a filter in the driveway. Pretty good savings.
02-06-2015, 01:51 AM
#4
Rennlist Member
Autohausaz sells aisin atf for our transmissions for $6.39 a liter. Since they make our transmissions, aisin should be a safe bet. I wouldn't be surprised if porsche just private labeled it.
02-22-2015, 09:18 PM
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75W90-NS from Redline operates beautifully in up shifting / downshifting / double clutch downshifting , etc.
Perfect fit in operating characteristics across full range.
Old stuff was really dark ( almost Black)and certainly ready for Change!
Thanks very much.
Perfect fit in operating characteristics across full range.
Old stuff was really dark ( almost Black)and certainly ready for Change!
Thanks very much.
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06-25-2015, 11:27 AM
#8
Racer
I did a search before I started a new thread. I have many questions about this effort. What was the capacity? Where is the drain and fill? Do I fill until it spills out like other gear boxes? What fluid did you go with?