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Why Red Line MT-90 is cheaper than 10w-30 in AX15 #4645954
01/25/18 12:34 PM
01/25/18 12:34 PM
Joined: Oct 2015
Posts: 1
Oregon
JeepSolid Offline OP
JeepSolid  Offline OP
Joined: Oct 2015
Posts: 1
Oregon
Yep, I've determined MT-90 is cheaper than using 10w-30 in your AX15 manual transmission. Overall it will last longer and save you $$
Here's a video I made on the specifics as to why. https://youtu.be/oOPTCCbRVCg

I know 10w-30 is a popular choice for the AX15, and I'm not saying there is anything wrong with that choice.
I just believe MT-90 is a better choice. Do you agree?
Thanks for the feedback.

Re: Why Red Line MT-90 is cheaper than 10w-30 in AX15 [Re: JeepSolid] #4645970
01/25/18 12:56 PM
01/25/18 12:56 PM
Joined: Dec 2006
Posts: 19,141
Dallas,Tx USA
aquariuscsm Online content
aquariuscsm  Online Content
Joined: Dec 2006
Posts: 19,141
Dallas,Tx USA
MT90 is a dedicated synchronized transmission lubricant. MT90 for the win,no contest!


1996 Nissan 300ZX 5-speed,Arctic Pearl(#175 of 300)
Quaker State Ultimate Durability 10W30
2012 Honda Accord Coupe EX-L 2.4,auto,San Marino Red
Pennzoil Platinum 5W20

Re: Why Red Line MT-90 is cheaper than 10w-30 in AX15 [Re: aquariuscsm] #4645982
01/25/18 01:08 PM
01/25/18 01:08 PM
Joined: Sep 2010
Posts: 7,485
S California
OneEyeJack Offline
OneEyeJack  Offline
Joined: Sep 2010
Posts: 7,485
S California
Originally Posted By: aquariuscsm
MT90 is a dedicated synchronized transmission lubricant. MT90 for the win,no contest!


+1

Re: Why Red Line MT-90 is cheaper than 10w-30 in AX15 [Re: JeepSolid] #4646115
01/25/18 03:56 PM
01/25/18 03:56 PM
Joined: Jan 2006
Posts: 1,064
Ruidoso, NM USA
ammolab Offline
ammolab  Offline
Joined: Jan 2006
Posts: 1,064
Ruidoso, NM USA
On really cold mornings...would the 10W-30 improve those first few shifts into second gear?


2009 Honda CR-V
2011 BMW R1200R
2005 Kaw Ninja 250
1994 Jeep Wrangler 2.5L
2016 Chevy SS Sport Sedan
Re: Why Red Line MT-90 is cheaper than 10w-30 in AX15 [Re: JeepSolid] #4647456
01/26/18 08:56 PM
01/26/18 08:56 PM
Joined: Jun 2002
Posts: 19,538
Iowegia - USA
MolaKule Offline
MolaKule  Offline
Joined: Jun 2002
Posts: 19,538
Iowegia - USA
The factory manuals call for 75W90 ([email protected] = 14 cSt) gear oil for the AX15 transmission, due to its design.

The Redline MT-90 or the Amsoil MTG are excellent replacement's for MTF's in these medium-duty transmisions. For extreme cold weather operation year round, the Redline MT-85 works well. Both Redline MTF's contain the same MTF additive package.

A 10W30 engine oil does not have the proper additive package as does a dedicated MTF.

Last edited by MolaKule; 01/26/18 09:00 PM.

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