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#4649762 - 01/29/18 05:52 AM Amsoil Synthetic V-Twin Transmission Fluid
Bellavita Offline


Registered: 10/28/17
Posts: 15
Loc: Wisconsin, USA
I ran across an ad for Amsoil's new synthetic transmission fluid for V-Twins. If anyone is using this I would be interested to know if it's viscosity is similar to standard red ATF. A number of automotive manual transmissions are spec'd to use ATF and I've been curious why it wouldn't work in a motorcycle trans. My Borg Warner T5 in my Jeep CJ7 uses ATF as well as one of my first cars, a Pontiac Phoenix that had a manual transmission used Dexron II ATF.
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2015 Subaru Legacy 2.5I Ltd
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#4649796 - 01/29/18 06:57 AM Re: Amsoil Synthetic V-Twin Transmission Fluid [Re: Bellavita]
alarmguy Online   content


Registered: 07/10/12
Posts: 2173
Loc: South Carolina
Reasonable to assume it will be oil, certainly not transmission fluid (as we know it) // no vtwin uses automatic transmission fluid, only oil.
AS far as viscosity, good question but have a feeling maybe they are looking to grab some business from Redline, if so, think we can expect it to be more heavy.


Edited by alarmguy (01/29/18 06:58 AM)
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#4649959 - 01/29/18 10:04 AM Re: Amsoil Synthetic V-Twin Transmission Fluid [Re: Bellavita]
MotoTribologist Offline


Registered: 02/03/16
Posts: 580
Loc: NJ, USA
According to the information on the product page: Amsoil Synthetic V-Twin Transmission Fluid

It has a viscosity of about 20 cSt at 100C, so it is similar to an SAE 50 oil; much thicker than ATF.

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#4650343 - 01/29/18 03:30 PM Re: Amsoil Synthetic V-Twin Transmission Fluid [Re: Bellavita]
MoreCowbellAz Offline


Registered: 02/05/15
Posts: 323
Loc: Phoenix, Az
Yep If marketed for v-twin transmissions it's a pretty safe bet it's much more akin to gear lube than ATF. I've never heard of someone running anything with a cST at 100C of 7-ish in a Harley transmission. In the primary, sure.
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#4650733 - 01/30/18 03:25 AM Re: Amsoil Synthetic V-Twin Transmission Fluid [Re: Bellavita]
Bellavita Offline


Registered: 10/28/17
Posts: 15
Loc: Wisconsin, USA
Thank you all for the timely answers!

It would be interesting to find out the engineering and science of how normal ATF does work in manual transmissions in cars. Is it the gear loading, gear teeth profile, metallurgy, rotation speed, engagement shock etc.
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#4651418 - 01/30/18 05:06 PM Re: Amsoil Synthetic V-Twin Transmission Fluid [Re: Bellavita]
BigCahuna Offline


Registered: 09/29/09
Posts: 2157
Loc: Deep in the heart of Jersey
Amsoil used to say to used their 20/50 wt v-Twin motor oil in your motor , primary and transmission of your Harley. They said it met the Gl-1 gear oil rating. Harley said to do the same with their oil, but never claimed it met any API standard, and no symbol was on the bottle of either. That didn't stop them for asking top dollar for the oil tho.I have tried Harleys 20/50 wt oil in the trans of my bikes and found the shifting to be stiff and loud. There was a definite difference in shift quality when I changed to regular auto parts store 70/90 wt gear oil. I'll never use motor oil in my transmissions again. And I'm sure the cost of their new and improved "V-Twin trans oil" will leave most purchasers underwhelmed.,,

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#4651500 - 01/30/18 07:23 PM Re: Amsoil Synthetic V-Twin Transmission Fluid [Re: Bellavita]
Pablo Offline


Registered: 10/28/02
Posts: 47280
Loc: Duvall WA - Pacific NW USA
Originally Posted By: Bellavita
I ran across an ad for Amsoil's new synthetic transmission fluid for V-Twins. If anyone is using this I would be interested to know if it's viscosity is similar to standard red ATF. A number of automotive manual transmissions are spec'd to use ATF and I've been curious why it wouldn't work in a motorcycle trans. My Borg Warner T5 in my Jeep CJ7 uses ATF as well as one of my first cars, a Pontiac Phoenix that had a manual transmission used Dexron II ATF.


It's a gear oil in the SAE 90/110 viscosity range (20cSt), it's not ATF thin (6-7 cSt) and it's not motor oil. Amsoil decided a dedicated transmission fluid is better than a universal/motor oil type.

Amsoil MVT
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http://oilslubesandfilters.shopamsoil.com/



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#4651622 - 01/30/18 10:21 PM Re: Amsoil Synthetic V-Twin Transmission Fluid [Re: Bellavita]
benjy Offline


Registered: 08/23/10
Posts: 909
Loc: pa
amsoil USED to be PAO + Ester aka real synthetic, these days they say little + charge a lot IMO. most of Amsoils lubricants are likely good group III base oils, severely hydrocracked CRUDE oil with just enough group IV + or V to meet a spec, in other words good but not a lot better than other cheaper fake synthetics IMO

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#4651648 - 01/30/18 11:22 PM Re: Amsoil Synthetic V-Twin Transmission Fluid [Re: Bellavita]
dwendt44 Offline


Registered: 05/17/06
Posts: 3983
Loc: Central Wisconsin
Right you are benjy. Brand name synthetics have gotten better and better
and Amsoil has been stretching its product more and more.
They offered a 'blend' of their best stuff mixed with group III.
Followed by more and more overpriced mixtures in between their best and
their cheapest-IF you could use the term 'cheapest' in the same sentence with the
word Amsoil.
$12 a quart still lures some in though.

My 2
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#4651721 - 01/31/18 05:19 AM Re: Amsoil Synthetic V-Twin Transmission Fluid [Re: benjy]
Pablo Offline


Registered: 10/28/02
Posts: 47280
Loc: Duvall WA - Pacific NW USA
Originally Posted By: benjy
amsoil USED to be PAO + Ester aka real synthetic, these days they say little + charge a lot IMO. most of Amsoils lubricants are likely good group III base oils, severely hydrocracked CRUDE oil with just enough group IV + or V to meet a spec, in other words good but not a lot better than other cheaper fake synthetics IMO


No. Your opinion. You offer no proof.

Originally Posted By: dwendt44
Right you are benjy. Brand name synthetics have gotten better and better
and Amsoil has been stretching its product more and more.
They offered a 'blend' of their best stuff mixed with group III.
Followed by more and more overpriced mixtures in between their best and
their cheapest-IF you could use the term 'cheapest' in the same sentence with the
word Amsoil.
$12 a quart still lures some in though.

My 2


Do you actually know this for a fact? Can we have some evidence?
_________________________
DIRECT JOBBER - PABLO - for all your Amsoil needs
http://oilslubesandfilters.shopamsoil.com/



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#4651814 - 01/31/18 08:52 AM Re: Amsoil Synthetic V-Twin Transmission Fluid [Re: Bellavita]
MotoTribologist Offline


Registered: 02/03/16
Posts: 580
Loc: NJ, USA
Well what's the answer then?

Do the Amsoil products in question contain group III or do they use purely group IV and V base oils?

I would guess they are group IV and V based on SDS info I've seen, but I'd rather hear a direct answer rather than assume.

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#4651852 - 01/31/18 09:18 AM Re: Amsoil Synthetic V-Twin Transmission Fluid [Re: Bellavita]
Silverado12 Offline


Registered: 02/26/13
Posts: 3149
Loc: Central Virginia
Harley Formula +

For 9 bucks a quart I just use the Harley stuff in the tranny and it shifts ok w/o any worries.
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#4651984 - 01/31/18 11:26 AM Re: Amsoil Synthetic V-Twin Transmission Fluid [Re: Bellavita]
dwendt44 Offline


Registered: 05/17/06
Posts: 3983
Loc: Central Wisconsin
Quote:
Do you actually know this for a fact? Can we have some evidence?


Well Pablo, I do realize that you make money selling
Amsoil products and are a sponsor here.

But I do recall some years ago, when Amsoil came out with a
less expensive product (XL100?) line that was a blend of their
synthetic formula and regular Group III oil. Still expensive,
but less so than the top of the line.
I don't pay much attention to boutique oils, but with brand name
main line synthetics now getting better and better, Amsoil tells the
consumer little of nothing about their formula and blends, I'm very
skeptical of the marketing hype.
$12 a quart is way to high for those of use on a tight budget or
trying to save a little where we can.

My 2
_________________________
There's no such thing as:
Too big of a battery,
Too large of a gas tank,
or too loud of a horn,
or too bright headlights.

Top
#4652131 - 01/31/18 01:53 PM Re: Amsoil Synthetic V-Twin Transmission Fluid [Re: Silverado12]
alarmguy Online   content


Registered: 07/10/12
Posts: 2173
Loc: South Carolina
Originally Posted By: Silverado12
Harley Formula +

For 9 bucks a quart I just use the Harley stuff in the tranny and it shifts ok w/o any worries.


Yup me too, so far anyway, just because it was designed with Formula+ to begin with so why bother. Even if a massive profit for HD, so what, all the others are too.
I do at times, for fun think about putting the Mystik engine oil I use in, just because I have so darn much of it and may go to waste if it gets to old, curious to see if there is any difference. Heck, I could always try it out, if I dont like it, put the Formula+ back in.

Thought about it many times but was just recently brought up by another poster in here who likes it and has me thinking again.
Then again, like you say, its only $9 and why second guess anything including my warranty that doesnt run out for over 3 more years. Sometimes I THINK there is a little too much silver in my transmission oil, not that means anything but in my mind I wonder if I may need to use that warranty, doesnt obther me if I do use it, will feel like I got my money back, bike has been rock solid and needed no warranty work, now at almost 3.5 years old that I remember anyway.


Edited by alarmguy (01/31/18 01:56 PM)
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08 VStar 1300 Tourer
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#4652214 - 01/31/18 03:13 PM Re: Amsoil Synthetic V-Twin Transmission Fluid [Re: Bellavita]
BigCahuna Offline


Registered: 09/29/09
Posts: 2157
Loc: Deep in the heart of Jersey
I would try Mystic oil if it was sold within 500 miles of me. Even tho I live less then 20 miles from New York, it can be impossible to find some oil products that seem to be available everywhere else.,,

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