Cerma STM-3, while extending oil drain intervals, continues to provide protection...

 

Mack 350

This stuff is crazy good although I need to replace injection pump on my Mack 350. This product made the truck run the best it has done for a year. Almost Read more

Peter P. Mack 350 Sunday, July 24, 2016
1991 Ford Tempo

I am a journeyman machinist/machinery mechanic automotive enthusiasts with 40 years of formal and trade experience.presently I am rebuilding/upgrading Read more

Bill 1991 Ford Tempo Thursday, September 15, 2011
Veloster

I'm only 2 days into the treatment with 22k miles on the odo only 100 miles driven since treated and already noticing a big difference when driving it Read more

Sly4c Veloster Turbo Tuesday, February 23, 2016

So...I just got the oil changed to Cerma 5W30 and could feel a huge difference just starting the car up. Engine vibration in the pedal has gone almost Read more

CH3mist - Veloster Forum Member Hyundai Veloster Saturday, February 1, 2014
5.7l VZ Commdore

i bought a ls1 5.7l VZ Commodore Utility at auction driving home the check engine light was on ( engine code low oil pressure) and the oil light came on Read more

Robert K. 5.7l VZ Commodore Tuesday, September 22, 2015
Bike

Thanks for the emails, i am getting better gas millage in my bike, was at 39 MPG. I am now getting 43 MPG after 300 miles of riding on Cerma! --Greg J. Read more

Greg J. Saturday, June 25, 2016

Thank you John,
It was a pleasure speaking to you on behalf of your additives.I was amazed and I'm still smiling and overwhelmed with its results. Sir Read more

Geraldo A. Colon BMW 7 Series (E65) Friday, September 12, 2014
1987 Suzuki Samurai

I put Cerma Engine Treatment into our 1987 Suzuki Samurai. It completely smoothed out the idle, and improved our gas mileage by about 18% right away! Love Read more

Ethan M. via Facebook 1987 Suzuki Samurai Friday, June 10, 2016
Jeep Grand Cherokee

I purchased a 1996 Jeep Grand Cherokee with 196,000 miles on it. The transmission was beginning to act up after a couple of months driving the vehicle. Read more

Ron R Jeep Grand Cherokee Sunday, April 15, 2012
2005 Chrysler Sebring

Vehicle: 2005 Chrysler Sebring with 54,000 miles.
Product Used: Cerma Engine, Cerma Transmission, and Cerma Blue Ice
Was skeptical despite enthusiastic Read more

Don S. 2005 Chrysler Sebring Saturday, July 18, 2015
Diesel Semi-Truck

Just a quick note to tell you what Cerma has done for my trucks.

We put Cerma in the whole system of one truck with 798,000 miles, (engine {470 Detroit}, Read more

Everett Schaffer Co Owner E & C Transport, Inc / Terminal 74 for Ace Transportation Houma, Louisiana Sunday, January 28, 2007

Just prior to winter in 2012, I used 1/3 an ounce of Cerma engine treatment in my 1999 Craftsman snow blower. In the past it was necessary to have the Read more

Darrell Hails 1999 Craftsman 5 H.P., 22 inch Dual Stage Snow Blower, Model C950-52105-1 Thursday, October 31, 2013
Cerma Attends Auto Fest with Josh Borne

For a freestyle stunt rider, "heat is the biggest problem for bikes”. "Took me some time to test the product in the Kawasaki, but finally was able to Read more

Josh Borne - Professional Freestyle Extreme Athlete Cerma Attends Auto Fest with Josh Borne Monday, November 30, 2015
Ruger .204 Rifle

I have been using Cerma products for close to two years now in my all my vehicles, tractors, excavator and dump truck. I am totally impressed with all Read more

Paul M. Ruger .204 Rifle Tuesday, February 21, 2017
2014 Jeep Grand Cherokee

Cerma Engine Treatment. My wife bought a brand new 2014 Jeep Grand Cherokee last September. She had approximately 15,000 miles on the engine when I added Read more

Dan P. 2014 Jeep Grand Cherokee Tuesday, May 5, 2015
1990 560 SEC Benz

I never bother writing reviews, however, this product is FANTASTIC!! 560 SEC Benz with 113k miles, about 30k since valves...UNBELIEVABLE!! Cold start Read more

Pdidheon 1990 560 SEC Benz Monday, March 23, 2015
Ford Escape

We drive a 2005 Ford Escape that we leased new. The sticker for mileage said 19 city 22 hwy and we got an average of 20.5. We tried the cerma with stm3 Read more

Mike and Dea Shoars 2005 Ford Escape Saturday, March 8, 2008
2004 Ford Ranger

When I first went to use this product, I was a bit skeptical, I had an issue with my truck starting. I had tried every chemical to run through the gas Read more

CJ 2004 Ford Ranger, 4.0L, non-turbo, 4 spd automatic 4X4 Sunday, May 3, 2015
Mitsubishi Challenger

Hullo John,
I bought 1 bottle of Cerma STM-3 Engine Treatment and 1 bottle of Cerma STM-3 Automatic Transmission Treatment from you in May 2008. I treated Read more

J Wulf Mitsubishi Challenger Sunday, February 8, 2009
Subaru Imprezza

I am amazed at this product. I put Cerma STM-3 in my 2009 subaru imprezza and went from 33 mpg hwy. to 38 hwy! the engine seems to be so smooth you can't Read more

Brent Richards 2009 Subaru Imprezza and 04 Dodge Hemi Sport Truck Tuesday, September 11, 2012
1996 Toyota Camry

TRY THIS IN YOUR ENGINE.........I was amazed, within 15 mins how better my engine sounded and now my car rides as good as ever........Cerma is awesome. Read more

Eric Dobbie '96 Toyota Camry Tuesday, July 22, 2014

My fiat now runs like a 6cyl. Boy has it got power. It now beats lots of 6cyl. I did my engine using EVO oil and fuel treatment. -- Bill D.

Bill Diel Fiat 500 Sport Monday, January 11, 2016
Pontiac Formula

I bought a bottle of Cerma on the recommendation of a friend at work. My 2001 Pontiac Formula had a lifter tick that I was hoping to get rid of. After Read more

Richie 2001 Pontiac Formula Thursday, August 12, 2010

Did a test session earlier, the initial run since adding the CERMAX 5W40 oil plus the manual transmission treatment.

First thing I noticed when shifting Read more

Veloster Forum Member Hyundai Veloster Thursday, February 6, 2014
2006 Chevy Equinox

Hello John,

My Cerma Story #1) Treated a Chevy a week ago. Someone very close to me, I cannot disclose who, got out of the car today and removed some Read more

Ian Roe 2006 Chevy Equinox 6 cyl with 88,000 km Thursday, June 9, 2011

Update: 4/23/15: Rocket fuel. Just wanted to say that I have now treated all three of our autos with the Engine, trans, and power steering treatments Read more

Brad T. Chevy Colorado Thursday, April 23, 2015
2007 Toyota Avalon

Just treated my 2007 Toyota Avalon with the Cerma Engine Treatment and the Cerma Transmission. Car is running smoooooth (the vibrating is down to almost Read more

Dave P 2007 Toyota Avalon Friday, April 3, 2015
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