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The Big Secret

Thank you for visiting our open blog where you can post comments and questions to our team of experts.  

Life extension of your engine is possible with BestLine engine oil and fuel treatments without exception. With 52 worldwide patents and tons of lab tests to prove that we actually can prove our claims that your motor will last up to 60% longer when you use BestLine Engine Treatments as recommended. 


Jul 10, 2019
james W riddle

can i use best line diesle treatment in my 3.5 ecoboost ?

Jul 10, 2019
Ivan loncarevic

Want to buy engine treatment and motor oil additive. Are you shipping to Europe, Denmark, Copenhagen?

Mar 07, 2019
Ken Riddle

Really good and scientific information. Bestline’s testing and proven results are of great importance to the automobile mfg industry and to us everyday drivers. BESTLiNE is one of the best additives to improve engine perfomace and protect the investment of the everyday drivers. I have used several in my lifetime of 79 years and BESTLiNE is # 1 in my opinion. I use the product in all three of my vehicles.

Jul 10, 2019
Steve Shell

Is your gas treatment recommended for 2 cycle engines as well? Along with 2cycle oil of course.

Jun 25, 2018
perry anderson

By Tom Curtis
President, Lubrizol Additives

API SN Plus, the critical supplement to ILSAC GF-5, saw first license on May 1.

It is already an unprecedented response to a major engine issue facing everyday vehicles—and it’s a positive step. But one additional noteworthy first for this new spec supplement was the American Petroleum Institute’s (API’s) allowance for oil marketers to begin promoting these products prior to the May 1 first license date.

Oil marketers can, and should, take advantage of this opportunity. And as an industry, we should further investigate how and why the LSPI and API SN Plus development process can shed light on new paths forward for the lubricant industry.

We’ve been clear about our desire to see change in the industry model—and LSPI can serve as an example. Consider the chain of events that led us to the current point:

ILSAC GF-6 request is initiated in 2011.
Initial first license date targeted for 2015.
Development of seven brand-new engine tests causes delays; first licensing continually pushed back (presently anticipated in 2020).
New engines continue to expose LSPI as a glaring problem that must be addressed; OEMs initiate emergency request for API SN Plus.
API SN Plus approved, developed and licensed within a year.
Our view: It’s time to get moving on delivering LSPI solutions, and it’s not appropriate to wait for ILSAC GF-6. The relevance of our industry depends on it. OEMs and drivers require these solutions today, not tomorrow.

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