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I'm sure this is the best to be bought. Too bad the company building my reman transmissions can't produce products this good. 2 uncorrectly built trannys in a rowand won't surprise me if this third one goes. Ive have had to buy this fluid 3 times in the last year for a whopping 1800miles. Gets a little pricey paying for someone else's failures. Anyways after a little break time on this transmission I will be back here buying another 8 quarts and will always use amsoil.
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
manual syncro fluid
By 
ROBERT, 
a 
Verified Buyer 
from 
laval canada 
on 
June 01, 2022
smoother shift for my 1990 gt fox comparing automatic fluid
Our Si had 25,000 miles on it. Wanted to do the transmission service. Looked into different choices. Read tons of positive reviews on the AMSOIL Trans fluid that were very positive on other websites, particularly Civic forums. We gave it a shot. Considering it could be a placebo effect, I immediately noticed better shifting. If you are familiar with the little characteristics of your respective manual shifter, you might want to consider giving this a shot. I will not go back to the stock fluid for it. The Si was fun to drive to begin with but a few of the shifts got finicky. This seemed to resolve each one immediately, and made it more enjoyable to drive.
Traded out the Honda transmission fluid for amsoil. Simply put, this is the best transmission fluid on the market. Car runs and shifts better than when it was new
I’ve been using Amsoil products for more than 15 years in my vehicles, and I trust that Amsoil fluid is even better than the Honda OEM fluid in my wife’s 2001 Honda CRV. With over 230k miles it still shifts perfectly. Can’t go wrong with Amsoil!
By 
GREG, 
a 
Verified Buyer 
from 
San Diego 
on 
February 13, 2022
Put a new Tremec TKO 600 transmission in my Nova. After break-in with the supplied ATF fluid I changed the fluid to Synchromesh fluid made by Tremec. I noticed harder shifts especially when cold. After some months I changed to Amsoil Synchromesh and noticed significantly easier shifts even when cold.
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
Amsoil. Can't go wrong
By 
Drew, 
a 
Verified Buyer 
on 
January 30, 2022
Amsoil makes excellent products. Worth the price knowing that when I fill up my nv5600 transmission with this syncromesh fluid that it will have the best protection from wear and tear it can receive. I will always use this fluid. Highly recommend for you if it fits your transmissions requirements
replaced my transaxle oil in 1970 beetle with amsoil synthetic fluid and noticed right away how much smoother it shifted! even 4th gear went in smooth as it had not before
I trashed the synchros in my transmission. They were grinding from 1 to 2 and 2 to 3 on every shift. I drained the Amsoil fluid I had in it and put this in before pulling the trans. The gears shift like butter now. I’ll run it until it officially dies and swap in a new trans with this fluid from the word go.
Needed to replace my clutch. With my model car it has a natural high rpm near lockout in 3rd gear. Several years ago I read about this issue and experienced it over and over again. In turn grinding at times. Because of the rev hang. Put a new oem clutch back in . Added Amsoil synchromesh . Its Blows my mind how the down shifts and just over all daily im and out of gear. Its what I call getting a better version of my car I always wanted. Only regret is not doing it when I bought the car.
I use this in my 1946 Packard Clipper with three speed manual. It's perfect for cars or trucks with brass synchronizers. Trans shifts smooth as silk!
Bottom Line
Yes, I would recommend this to a friend.
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4 star rating
Good oil
By 
GABRIEL, 
a 
Verified Buyer 
on 
December 06, 2021
Good oil
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
Great for my ‘06 Jeep TJ
By 
DON, 
a 
Verified Buyer 
on 
December 02, 2021
Best synthetic fluid I’ve found for the NSG370 6 speed manual in my Jeep. This is a much better fluid than redline for shifting in cold winter weather.
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Great Stuff
By 
JOEL, 
a 
Verified Buyer 
on 
November 27, 2021
Replaced my Honda OEM Transmission fluid with this and it shifts like butter now. Will always use this product and I can’t recommend it enough.
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