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#4706762 - 03/25/18 07:38 PM Amsoil Manual Synchromesh Transmission oil
JAG Offline


Registered: 10/23/05
Posts: 4893
Loc: Fredericksburg, VA
2011 Ford Ranger with manual transmission with 91k miles. I just did a fluid change from M1 ATF to Amsoil Manual Synchromesh Transmission Fluid 5W-30. ATF is what is recommended. With only 12.5k miles on the ATF, shifting was notchy from day 1. It would resist going into gear and then suddenly engage. There was a shocking amount of iron particles on the magnetic drain plug. There was enough that the wear particles had a wave pattern on the magnet. After the change, shifting immediately felt nice and smooth. So far I am very happy with the change and even more so after seeing how quick wear was occurring with the M1 ATF.

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#4706779 - 03/25/18 07:47 PM Re: Amsoil Manual Synchromesh Transmission oil [Re: JAG]
simple_gifts Offline


Registered: 07/26/04
Posts: 11997
Loc: Middlesex County CT
Probably a good choice.

I've noticed that transmission isn't a particularly fast shifting one. It pays to make deliberate shifts.

I've been using RP Synchromax for about 50K in mine. This summer is due for a D+F.
_________________________
2004 Prius; 97K ML Syn 5W-30
2007 Yaris 71K 0w-40 Castrol
2006 B2300;130K;ALM


Was driving an ox cart; Now on the USS Enterprise

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#4706789 - 03/25/18 07:52 PM Re: Amsoil Manual Synchromesh Transmission oil [Re: JAG]
skyactiv Offline


Registered: 03/02/13
Posts: 4521
Loc: The Midwest
I can pretty much guarantee you the engineers who designed that transmission feel ATF wasn't the best fluid.
If you really wanna research it, retired Chrysler transmission engineer ED Peters explains on Youtube why ATF was used in the manual Neon gear boxes.
_________________________
Wife: 15' Audi A4 quattro 6 speed manual
Me: 13' VW GTI 3 door 6 speed manual

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#4706791 - 03/25/18 07:55 PM Re: Amsoil Manual Synchromesh Transmission oil [Re: JAG]
skyactiv Offline


Registered: 03/02/13
Posts: 4521
Loc: The Midwest
And BTW, I use Motorcraft XT-M5-QS in the manual transmission in my VW. It is a German made true PAO 75W90 synthetic.
I wrote about the fluid on here before. Google the reviews on Amazon, it's good stuff.
Cheaper at the dealer.
https://www.amazon.com/Genuine-Ford-XT-M...&dpSrc=srch
_________________________
Wife: 15' Audi A4 quattro 6 speed manual
Me: 13' VW GTI 3 door 6 speed manual

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#4706797 - 03/25/18 08:00 PM Re: Amsoil Manual Synchromesh Transmission oil [Re: JAG]
simple_gifts Offline


Registered: 07/26/04
Posts: 11997
Loc: Middlesex County CT
Quote:

I can pretty much guarantee you the engineers who designed that transmission feel ATF wasn't the best fluid.


Agreed; but 'adequate' is what is required, not 'the best'; just look at the millions of AT cars with marginal factory fluids (from what i've seen here). Z1, T-IV, WS etc.

Good chance ATF is adequate.


Edited by simple_gifts (03/25/18 08:01 PM)
_________________________
2004 Prius; 97K ML Syn 5W-30
2007 Yaris 71K 0w-40 Castrol
2006 B2300;130K;ALM


Was driving an ox cart; Now on the USS Enterprise

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#4706854 - 03/25/18 08:41 PM Re: Amsoil Manual Synchromesh Transmission oil [Re: JAG]
Alex_V Offline


Registered: 04/10/16
Posts: 1174
Loc: Campbellsville, KY
Cruze M6's have problems with the bearings on the 5/6th gear shaft going out on the FF - because they were grossly under-filled with a poor fluid. Amsoil synchromesh all but eliminates the problem - I've had it in mine for the last 80K.
_________________________
I like Chevy and Valvoline.

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#4706906 - 03/25/18 09:17 PM Re: Amsoil Manual Synchromesh Transmission oil [Re: JAG]
zeng Offline


Registered: 09/01/15
Posts: 2200
Loc: Malaysia
Smart move by OP upgrading from thinny ATF to Synchromesh 5W30 ......
Better shift is a bonus.

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#4707184 - 03/26/18 07:24 AM Re: Amsoil Manual Synchromesh Transmission oil [Re: skyactiv]
SOHCman Offline


Registered: 03/29/10
Posts: 1336
Loc: USA
Originally Posted By: skyactiv
And BTW, I use Motorcraft XT-M5-QS in the manual transmission in my VW. It is a German made true PAO 75W90 synthetic.
I wrote about the fluid on here before. Google the reviews on Amazon, it's good stuff.
Cheaper at the dealer.
https://www.amazon.com/Genuine-Ford-XT-M...&dpSrc=srch


Lol, $38 a quart!! Woo, I needed a good laugh, thanks... Sometimes I wonder about the prices on Amazon, it's either feast or famine with some stuff being double what it should be.
_________________________
I urge people not to wait 100K to change out the fluid in their transfer case units. -Kestas

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#4707189 - 03/26/18 07:31 AM Re: Amsoil Manual Synchromesh Transmission oil [Re: zeng]
SOHCman Offline


Registered: 03/29/10
Posts: 1336
Loc: USA
Originally Posted By: zeng
Smart move by OP upgrading from thinny ATF to Synchromesh 5W30 ......
Better shift is a bonus.


+1

Swapped my ford truck manual trans over to MTL/syncromesh right after rescuing it from it's former owner and couldn't be happier. I have used Penzoil Syncromesh, Valvoline syncromesh, Amsoil Syncromesh and Redline MTL and they all shifted better than ATF.
_________________________
I urge people not to wait 100K to change out the fluid in their transfer case units. -Kestas

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#4707216 - 03/26/18 08:05 AM Re: Amsoil Manual Synchromesh Transmission oil [Re: JAG]
parshisa Offline


Registered: 05/21/17
Posts: 601
Loc: TX
Replaced factory fill in my Civic with Amsoil MTF this weekend. Dramatic improvement in 1st and reverse - much much smoother. Other gears are smoother then they were. definitely worth switching. just my experience with it
_________________________
2016 Honda Pilot 3.5V6 PP 0W20
2017 Honda Civic 1.5T Amsoil SS 5W30

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#4707278 - 03/26/18 09:02 AM Re: Amsoil Manual Synchromesh Transmission oil [Re: JAG]
racin4ds Offline


Registered: 05/07/10
Posts: 1025
Loc: Ocala, Florida
You guys think the syncromesh/MTL lubes would be a good idea in my '08 Subaru Legacy GT? its always been rather "notchy" and just not very smooth shifting overall. I changed it last summer to some Valvoline Syn 75W90 but not much change.. Many suggest going to Amsoil 75W140? I realize Subaru didn't call for ATF initially in this trans so my situation is slightly different from you guys.
_________________________
Just say NO to thin oils and M1!
05 F350 Powerstroke
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#4707292 - 03/26/18 09:14 AM Re: Amsoil Manual Synchromesh Transmission oil [Re: racin4ds]
4WD Offline


Registered: 09/21/10
Posts: 6579
Loc: Texas
That or Redline MTL check website for choice of flavors (mine was pink, must be bubble gum)

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#4707373 - 03/26/18 10:27 AM Re: Amsoil Manual Synchromesh Transmission oil [Re: SOHCman]
Whimsey Offline


Registered: 12/22/02
Posts: 4074
Loc: The Garden State
Originally Posted By: SOHCman
Originally Posted By: skyactiv
And BTW, I use Motorcraft XT-M5-QS in the manual transmission in my VW. It is a German made true PAO 75W90 synthetic.
I wrote about the fluid on here before. Google the reviews on Amazon, it's good stuff.
Cheaper at the dealer.
https://www.amazon.com/Genuine-Ford-XT-M...&dpSrc=srch


Lol, $38 a quart!! Woo, I needed a good laugh, thanks... Sometimes I wonder about the prices on Amazon, it's either feast or famine with some stuff being double what it should be.


But, but, but it includes FREE SHIPPING! LOL LOL LOL LOL

Whimsey

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#4707460 - 03/26/18 11:57 AM Re: Amsoil Manual Synchromesh Transmission oil [Re: racin4ds]
Smash209 Offline


Registered: 02/28/18
Posts: 34
Loc: Perpetual Winter USA
Originally Posted By: racin4ds
You guys think the syncromesh/MTL lubes would be a good idea in my '08 Subaru Legacy GT? its always been rather "notchy" and just not very smooth shifting overall. I changed it last summer to some Valvoline Syn 75W90 but not much change.. Many suggest going to Amsoil 75W140? I realize Subaru didn't call for ATF initially in this trans so my situation is slightly different from you guys.


Subaru requires GL-5 protection for the front diff which is in the transmission. I don't think the Amsoil sychromesh would provide enough protection.

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#4708207 - 03/27/18 07:49 AM Re: Amsoil Manual Synchromesh Transmission oil [Re: skyactiv]
MCompact Offline


Registered: 07/21/02
Posts: 4205
Loc: KY
Originally Posted By: skyactiv
And BTW, I use Motorcraft XT-M5-QS in the manual transmission in my VW. It is a German made true PAO 75W90 synthetic.
I wrote about the fluid on here before. Google the reviews on Amazon, it's good stuff.
Cheaper at the dealer.
https://www.amazon.com/Genuine-Ford-XT-M...&dpSrc=srch


I used the same oil in the transaxle of my Mazdaspeed 3. Good stuff.
_________________________
Mine:
2014 M235i
1999 Wrangler Sahara
1995 318ti Club Sport

Wife's:
2016 i3 REX
2009 Cooper Clubman

Son's
2009 328i

Buy what makes you smile...

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