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New Jersey girl
Reviewed in the United States on January 5, 2025
Help starting in 20 degree weatherAlso helps keep the heat down in the summertime traffic.
ToxicWaste
Reviewed in the United States on January 29, 2025
I'm a former auto mechanic from the days before computers ruled the automobile, so I mainly do not use oil additives. However, my LS2 has had more noticeable lifter chatter over the last couple years. I tried Seafoam in the crankcase as directed, drove it 100 miles and changed the oil. It made zero difference. After researching loud lifter knock for my other car (2006 300 C), I stumbled across this product but also Stiction Eliminator (bought that too).I drained 20oz of oil from my LS2 and then added 20oz of FR3. I didn't have to put on more than 20 miles before I took note of how quite the lifter chatter is, full honesty. I gained roughly 5lbs of oil pressure when data logging and the engine is much more responsive. Directions state to change the oil first but since I'm real close to changing it again (with AMS Oil), I feel it's worth more to run it the current oil and then flush everything out for a fresh change.For the 300 C (5.7 Hemispherical), the knock was loud, had it at a reputable engine shop and they said it needs a new engine, for the low low price of $8,700). Had it towed back home and it sat for 3 weeks. Added Friction Eliminator to the oil and ran it for 20 minutes. The noise is almost completely gone now.I definitely recommend both products!
Jason
Reviewed in the United States on August 29, 2024
This made a noticable differnce in my '93 Cummins. The engine runs smoother and sounds a little less clattery compared to whatever oil the previous owner had in it. I've been using it since the first oil change I did after I got the truck, so I can't comment on whether or not it increases fuel economy, but I use 18oz of FR3 every oil change and 2-3 oz of EDT every fill-up, and my truck gets 19-22 MPG consistently. '93 Dodge D250 Club Cab Cummins/Auto 3.54 gears. Stock size all-terrains, FFS Leveling kit & a 2" block in the back. I'd say that's pretty respectable for a 31 year old 3/4 ton truck. The oil is still honey colored on the dip stick when I change it every 5,000 miles.
David R. Evans
Reviewed in the United States on August 18, 2024
I've used this product in the past and I do believe it works very well. I have been using it every oil change my temperature used to run around 200. Now since I've been using hotshots my temperature runs around 180 so I know this probably works
Joiner Turner
Reviewed in the United States on May 25, 2024
I can definitely tell a noticeable difference in engine performance. I use this every second and third oil change and the stiction eliminator on the first. I'm a believer and my MPG is a testament to it's effectiveness. Definitely has increased it by 1 MPG.
Stewart D Churchill
Reviewed in Canada on February 26, 2024
there is no magic liquid that fixes your engine.But... I used this in my differentials and transfer case of a 30 year old truck and it seems to help things run smoother and quieter.I didn't expect it to improve fuel economy, and it did not.
bassman
Reviewed in the United States on October 2, 2024
Got about 8% improved gas mileage!!! Amazing stuff. My mechanic recommended it and it is definitely worth it.
Ryan
Reviewed in Canada on April 29, 2024
I did an oil change in my truck about a week ago, my drive is 130KM a day. I didn't really notice any fuel savings until the end of the week. My truck usually consumes 13.8-14.2Liters per 100 KM, now its stayed consistent @12.5L Per 100KM. SO imagine it should get better fuel economy in a few mores weeks.in my truck I use Castrol Edge 5W20. Also just do as the instructions tell you to add to the oil its not the entire jug for one oil change which i first thought. I highly recommend this product for every car enthusiast.
Joseph Brown
Reviewed in the United Kingdom on August 31, 2023
Used in my rear differential in my bmw 320d. Brilliant stuff. Will order the larger size for my general engine oil changes. Very high quality backed by science
Chatter Box Grams
Reviewed in the United States on June 10, 2023
I bought a used 2021 GMC Acadia AT4 with a V6 and 40k miles. Just useing the mpg monitor on the display it showed an average of 19mpg. While my 2018 V6 SLT Acadia with 70k mikes gets 22mpg. Obviously an AWD vehicle will get less mpg, but I thought 19mpg wasn't good enough. I installed a bottle of the FR3 and a K&N air filter. My mpg increased from 19 to 21. Are you saving enough gas to offset the cost of the additive between oil changes? 5000 miles divided by 19 is 263 gallons. Divided by 21 is 238 gallons. That's a 25 gallon savings per oil change. Gas right now is $3.30 so that's a savings of $82.50 per oil change, so for me it's definitely worth it. However, I had also changed to a K&N filter which may account for some of the fuel savings. The K&N filter was $69, minus the difference of an OEM for $15 that makes the K&N $54 and it will last the life of the vehicle. Even with the expense of both I still saved $$$$ over the next oil change and beyond. Yes, you do have to add the FR3 at each oil change. They say the benefits improve each time you add it.
Derrick A.
Reviewed in Canada on June 30, 2021
I’m not sure if it works or not but I’m sure it did no harm lol, I’ll give it a 4 stars as it didn’t make my RzR 800 any quieter (engine making typical Polaris knock)
Customer
Reviewed in Canada on October 31, 2019
Great product
llacosse
Reviewed in the United States on October 21, 2016
I used this additive with the Hot Shots transmission additive at the same time. Used in a 1998 Toyota Avalon V6 with 188,000 miles. The engine and tranny were running fine before using these products. Its been about three weeks since adding and, maybe I'm just imagining it but the more I drive it the engine is running smother and with more pep. I'm the type that will try stuff like this - oil additives, gas additives, performance chips and air inlet turbines(That was stupid!), etc.. Hey, you never know until you try it.There is enough to use on two cars and the Toyota is my Summer car. I also put this stuff in my Winter car which I will be using within a month here in northern MI. I will post again later this year on that car.
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