This product saved me from loosing the use of my furnace for a week in December, I was leaving my home in north IA. I heard a strange noise from the basement Read more

Purchased a 1990 Buick Reatta with 143,000 miles on it. It runs great and can only run better with the Cerma products I just purchased (Cerma Engine Value Read more

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.

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

I recently SiC treated a 1100cc motor on a 1984 Honda v65 Sabre VF100S and began with these compression numbers:

Cylinder #1: 120/170 Cylinder Read more

Cerma makes everything run smoother. I was skeptical of Cerma at first, but decided to try it. For example, my wife owns a 2000 Jeep Wrangler. When Read more

I have been using Mobil 1, Shell Helix, Castrol Edge, and now Cerma (Cerma is the best motor oil I have ever used) At first I thought it was my engines Read more

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

At first I thought this was another slick50 type product but after checking out the website and finding no bad reviews I said what the heck let me try Read more

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

I put both transmission and engine treatment in our Maxima last night,drove about 35 miles. I noticed a smoother running engine right away. Drove another Read more

I treated my 1998 Dodge Diesel Pickup with 6 oz Cerma Engine| Treatment and the engine smoothed up and has much more power. I am very satisfied with this. Read more

Hello Jim,

I would like to thank you for introducing me to Cerma and to such a quality product.

I am a certified Automotive Service Excellence  Read more

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

Hello,
Just want to let you know of the positive results I have had so far: 2300 miles since Cerma was added to crankcase; oil consumption has been cut Read more

Would recommend this to anybody who is looking to keep their engine long lasting no matter how many miles is on it. Already used on three of the four cars Read more

Several tens of thousands of miles ago, I found out about Cerma Engine Treatment -- yep, I was skeptical. But talking with these wonderful folks convinced Read more

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

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

CERMA changed my old engine with 225,000 miles to a NEW engine with a power never seen. When I received the package, i opened it and i was suprised seeing Read more

We have used Cerma in a gear box which is 1 of 2 identical units. The one
we treated was initially running 60 decrees hotter than the other one. We want Read more

I've read this thread for a while and decided to buy some AT treatment and 2 engine treatments yesterday. But not for my Veloster. I bought a beater truck Read more

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

Hi,
Well I have been using Cerma in my 2002 Toyota RAV-4 with 130,000kms.
And what a difference, my gas mileage has improved 15-20% avg, the engine has Read more

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

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