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#4714437 - 04/02/18 07:06 PM Amsoil ATF for Honda ATF-Z1 Applications
The Critic Offline


Registered: 08/30/04
Posts: 19628
Loc: CA


I ordered two cases of Amsoil ATF to use in two different Accords. One is a 2006 V6 and the other is a 2007 4-cyl. Both cars were originally spec’ed for the ATF-Z1, not the thinner superseded DW-1. The main reason I wanted to try Amsoil ATF is because I have heard good feedback about the product in the past and I want something with a long service life. I have tried other aftermarket ATFs in Honda’s and the shift quality just did not feel “right.”

Does anyone have any recent experiences to share about using Amsoil ATF in Honda’s?
_________________________
2011 Toyota Prius - 166k - ACDelco 0W-20
2007 Honda Accord 2.4 - 126K - Idemitsu 5W-20

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#4714447 - 04/02/18 07:18 PM Re: Amsoil ATF for Honda ATF-Z1 Applications [Re: The Critic]
pbm Offline


Registered: 04/19/04
Posts: 7481
Loc: New York
I had a 2001 Accord that spec'd Honda's ATF-Z1 and I was never impressed with Z-1 and it's 'unusual' chemistry.
I would have no problem using Amsoil ATF in place of Honda Z-1....I can't see how it wouldn't be an improvement durability wise.

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#4714472 - 04/02/18 07:37 PM Re: Amsoil ATF for Honda ATF-Z1 Applications [Re: The Critic]
mclasser Offline


Registered: 04/13/13
Posts: 2170
Loc: The Northeast
My 02 Accord originally spec'd Z1. I wouldn't mind trying Amsoil one day, as it has plenty of good reviews.
_________________________
2018 Hyundai Elantra VE -- 3K
2013 Honda Pilot EX-L 4WD -- 55K
2002 Honda Accord EX-L -- 210K
2002 Infiniti I35 -- 130K


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#4714481 - 04/02/18 07:41 PM Re: Amsoil ATF for Honda ATF-Z1 Applications [Re: The Critic]
SubieRubyRoo Offline


Registered: 05/14/12
Posts: 863
Loc: Winchester, Indiana
ATF (vs. ATL) is a good idea even in cars spec'd for DW-1, as most of those cars are getting up in mileage anyways, and a slightly thicker fluid isn't going to mess with anything.

I have run ATL in my Fusion, but run Maxlife in my Odyssey. If it hadn't had 135k when I got it, I may have run ATF from the get-go, but I can't see spending Amsoil money when Maxlife is likely just as good for a fraction of the cost.

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#4714490 - 04/02/18 07:46 PM Re: Amsoil ATF for Honda ATF-Z1 Applications [Re: The Critic]
slacktide_bitog Online   content


Registered: 03/20/08
Posts: 5833
Loc: USA
Honda's OEM Z1 is nothing special. Amsoil will be fine in it smile

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#4714514 - 04/02/18 08:13 PM Re: Amsoil ATF for Honda ATF-Z1 Applications [Re: The Critic]
zfasts03 Offline


Registered: 07/21/08
Posts: 237
Loc: Bucks, PA
Yep! Good Stuff!

I run this Amsoil ATF in my `06 Honda Odyssey and `07 Honda Accord. Shifts quality is way better. Slightly quicker, smooth, but firm shifts.

My `06 Ody has 140,000 hard miles and I have been using the Amsoil since around 50,000 miles. No problems. All is good.

My `07 Accord it really improved the 1-2 shift that used to be long and slow.

Expensive, but you get what you pay for.
_________________________
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-Amsoil 5w-30 SS
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#4714562 - 04/02/18 08:58 PM Re: Amsoil ATF for Honda ATF-Z1 Applications [Re: The Critic]
GemStater Offline


Registered: 10/27/14
Posts: 260
Loc: Pacific NW USA
I recently put Amsoil ATF in my 2006 Accord V6. Firmer more positive shifts for sure.

From what I've seen from my UOA and a few others, it could be that Honda DW-1 shears a few viscosity points within 30k miles.

For example, my 2006 came from the factory with Z1 (7.058 cSt @ 100C)... Later the Honda dealer put in DW-1 (6.835 cSt @ 100C)... Within 30k miles the DW-1 shears to 4.83 cSt. That's down 2.23 cSt from the original factory Z1 spec. Now lets add in some spirited driving and really heat up the sheared DW-1 fluid. Now what do we have? It really makes me wonder if some of the Honda transmission failures we've heard about originates from weak/sheared OEM ATF fluid?

The Amsoil ATF starts (7.5 cSt @ 100C) and if I had to guess, it's a shear stable fluid.
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#4714563 - 04/02/18 09:01 PM Re: Amsoil ATF for Honda ATF-Z1 Applications [Re: The Critic]
Brybo86 Offline


Registered: 10/08/11
Posts: 2903
Loc: Chicago, IL
https://www.bobistheoilguy.com/forums/ub..._AT#Post2405713
My thread with many UOA from 30k to 127k miles
See last post for updated PDF
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01 Kymco People 50
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#4714678 - 04/02/18 11:43 PM Re: Amsoil ATF for Honda ATF-Z1 Applications [Re: GemStater]
dgunay Offline


Registered: 12/05/14
Posts: 555
Loc: Toronto
Originally Posted By: GemStater
I recently put Amsoil ATF in my 2006 Accord V6. Firmer more positive shifts for sure.

From what I've seen from my UOA and a few others, it could be that Honda DW-1 shears a few viscosity points within 30k miles.

For example, my 2006 came from the factory with Z1 (7.058 cSt @ 100C)... Later the Honda dealer put in DW-1 (6.835 cSt @ 100C)... Within 30k miles the DW-1 shears to 4.83 cSt. That's down 2.23 cSt from the original factory Z1 spec. Now lets add in some spirited driving and really heat up the sheared DW-1 fluid. Now what do we have? It really makes me wonder if some of the Honda transmission failures we've heard about originates from weak/sheared OEM ATF fluid?

The Amsoil ATF starts (7.5 cSt @ 100C) and if I had to guess, it's a shear stable fluid.


All Honda transmission fluids, including MTF, shear out quickly. As far as I know, they are not fully synthetic so that may be the reason.
_________________________
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PUP 5w30 / M1-110 / Maxlife ATF
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#4714790 - 04/03/18 06:24 AM Re: Amsoil ATF for Honda ATF-Z1 Applications [Re: The Critic]
Trav Offline


Registered: 11/20/06
Posts: 18245
Loc: MA, Mittelfranken.de
I have used it in every Honda unit since 05 and never had any issues with it, in fact it shifts smoother, slightly firmer and is consistent throughout the operating temp range. I have done a line off exchange on units after 50, 75 and 100K on the Amsoil and sort of wished I left it in, it was almost the same color as it went in.

I use it in Nissan/Infinity, Honda, Toyota, GM, Ford, Subaru and never had issues only improvement. I don't use fuel efficient formula in anything just the ATF, it seems to return the best results and shifting over a very long time.
The nice thing I like also is unlike Maxlife you can see this very easily on the stick. It is by far my favorite ATF for most applications.
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#4714813 - 04/03/18 07:14 AM Re: Amsoil ATF for Honda ATF-Z1 Applications [Re: The Critic]
Chris Meutsch Offline


Registered: 02/27/06
Posts: 2631
Loc: Cincinnati
I used Amsoil in my Honda's with zero issues.
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2005 Honda CR-V EX, 254k.
2008 Honda Pilot EX-L, 96k.

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#4714831 - 04/03/18 07:38 AM Re: Amsoil ATF for Honda ATF-Z1 Applications [Re: The Critic]
ARB1977 Offline


Registered: 06/12/05
Posts: 5104
Loc: North Texas
The CRV gets Valvoline Maxlife ATF. DW1 spec. I could use Amsoil ATF blue cap as well. Shift quality is good. No slips or hard shifts. Color is still transparent at 30K miles. The wife isn’t easy on it either. Almost 180K miles total.
_________________________
2015 Tacoma 4.0L 60K (as of 02/23/18)
Amsoil SS 0W30 / Toyota filter

2008 CRV 2.4L 172K (as of 12-18-17)
Maxlife 5W20 / M1 filter

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#4714896 - 04/03/18 08:33 AM Re: Amsoil ATF for Honda ATF-Z1 Applications [Re: The Critic]
meep Offline


Registered: 02/20/07
Posts: 3493
Loc: Southeast
I ran Amsoil in 3 family hondas and they did well with no issues. 01 MDX, 02 Odyssey, 06 civic (330,000 miles and still going), and every other vehicle I've had since then and zero problems.
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2018 F150
2015 crv (wifey!)
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#4715688 - 04/03/18 11:59 PM Re: Amsoil ATF for Honda ATF-Z1 Applications [Re: SubieRubyRoo]
zeng Offline


Registered: 09/01/15
Posts: 2095
Loc: Malaysia
Originally Posted By: SubieRubyRoo
ATF (vs. ATL) is a good idea even in cars spec'd for DW-1, as most of those cars are getting up in mileage anyways, and a slightly thicker fluid isn't going to mess with anything.
+1
.... and there is no such thing as right viscosity ......
as thicker MOFT offers stronger components protection in terms of boundary lubrication regimes > mixed lubrication regimes >EHD lubrication regimes.

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#4715690 - 04/04/18 12:06 AM Re: Amsoil ATF for Honda ATF-Z1 Applications [Re: zeng]
MolaKule Offline


Registered: 06/05/02
Posts: 18945
Loc: Iowegia - USA
Originally Posted By: zeng
Originally Posted By: SubieRubyRoo
ATF (vs. ATL) is a good idea even in cars spec'd for DW-1, as most of those cars are getting up in mileage anyways, and a slightly thicker fluid isn't going to mess with anything.
+1
.... and there is no such thing as right viscosity ......
as thicker MOFT offers stronger components protection in terms of boundary lubrication regimes > mixed lubrication regimes >EHD lubrication regimes.


There you go again making ignorant statements. spank


Edited by MolaKule (04/04/18 12:21 AM)
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