Customer Ratings & Reviews

I use this in my 24 Expedition Max Stealth Performance and 23 Bronco Raptor after each oil change- I only run 93 octane in both- this product is a must in my maintenance plan and both my vehicles run perfect!

Engine runs quieter get better fuel mileage starts 100% in colder temperatures. Melvin shingar

Put it in a 2004 F250 V10. that I bought at auction with 146000 miles. fuel milage increased from intial less than 8 mpg to 10 mpg around town , get around 12mpg on highway.

Excellent product

Excellent.

I have been a long time fan of Amsoil, as I was in the racing community in the 60's -2000's running USAC several divisions and the NASCAR Modified and Super Modified divisions. I had Amsoil as a sponsor for many years of that time period. I stopped using Amsoil after racing due that it was so difficult in finding someone who sold it and would not want to sell you large quantities, if you wanted to buy if for a normal consumer need. Once I found that I a general consumer was able to purchase it from your website and become a discount customer I was all in. I did this in 2015 and have converted all my vehicles to amsoil products, I was all in. This Gasoline additive is superior to others, as I have found for one it is needed every 4K miles, not every 300 miles. I helps the emissions system cleaning, for my 2000 Toyota 4runner it has kept the catalytic converter operating as designed for over 60K miles. Additionally it has increased my fuel millage by 1 to 2 miles a gallon depending upon that amount of mountain driving I do. When doing mountain driving I find my uphill travel has more horsepower and there is no valve knocking or pinging from the engine especially when under a uphill pull at freeway speed.

THE DEALER WHO SERVED ME ONLY SENT ME 1 BOTTLE WHEN I ORDERED 2. I SENT A MESSAGE EXPLAINING THE SITUATION, BUT THEY SAID THAT THEY SENT 2, NOT ONE. I JUST GAVE UP, I WILL KEEP BUYING FROM AMSOIL ANYWAYS, JUST ONE BAD SERVICE EXPERIENCE. THAT'S WHY ONLY 4 STARS, BUT GOOD PRODUCT.

Bought this product for all my vehicles,only fuel treatment I've used were you actually notice a difference after running it through a vehicle. Even bought some for a friend and couldn't believe the difference it made in his truck.

Use the product once a month. Increases performance and mileage.

Like it very much

Seems to work and work great.

I put a bottle of this in at each oil change (5000 mile intervals). The engine still runs great and uses no oil.

Been using this product every 5,000 miles in my daily driver for years, along with Sig. series 0-30w since new. I recently changed the sparkplugs after 50k miles and found them burning extremely clean, after running cheap 87 pump grade octane for many years! It's worth the cost in my opinion, in order to keep my vehicle running at its best as long as I can. Mainly because I can't afford to buy anything new anymore, being retired from the workforce...

I combine this with the upper cylinder stuff every other oil change it keeps things clean & lubricated

Ive tried them all, Its li no other!

Awesome product

Product works very well and as described.

This gas additive works great in everything I put it in my boats jet skis cars trucks very good stuff

I purchased item to maintain performance of fuel system and fuel mileage. Install bottle every 4 thousand miles.

I run this on all the family vehicles every 5000 kms regardless. On our ‘17 explorer sport ecoboost we were having issues with rough idle and poor mileage. Ford wanted to clean the intake ( we have a catch can ) and change plugs etc. I got 3 of these and ran them back to back on fill ups ( all highway 110kms/hr ) combined with 94 octane fuel and after the 3rd tank it was night and day difference. No more irratic idle , we never seen better than 10L/100kms mileage and now we consistently get 7.8-8.7 L/100kms on the same trips. We do run the upper cylinder on every tank and the pi every 5000 kms now. Before amsoil we tried all sorts of competitor products and nothing made any noticeable change.