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06/21/2015
I was recently reading a posting from Briggs Racing that I wanted to share about the 4T karting oil from AMSOIL. 

"I see a discussion on another forum regarding oil and the typical responses are being thrown around such as 'it's what I've used in the past', 'it can be overcome with proper oil change intervals', and my favorite 'they run this oil in top fuel and race cars without issue'. I wanted to respond here to help racers prevent problems before they start.

'It's what I've always used':

On the most basic level oil technology continues to advance and most of the kart oils on the market have been for decades. Most karting oils simply haven't or can't advance because of their base material. A PAG based, the most commonly used base' oil, has limited solubility which means that the additives they desperately need to overcome their shortfalls will separate to the bottom. It's oil and vinegar.  Those shortfalls are a low TBN, they are extremely hydroscopic (Meaning they absorb moisture so they are only used in closed systems, aka compressors), and they vaporize in the very temperature range air cooled engines operate in (meaning they burn off/vaporize). Let me also comment that bearing pressures change by engine design which change with technology like oil standards. The bearing pressures on our OHV engines are higher then say the Raptor/Model 13. With today's oils engine manufacturers can take advantage of these standards to shrink package designs and so forth.

On the most basic level oil technology continues to advance and most of the kart oils on the market have been for decades. Most karting oils simply haven't or can't advance because of their base material.  A PAG based, the most commonly used base' oil, has limited solubility which means that the additives they desperately need to overcome their shortfalls will separate to the bottom.  It's oil and vinegar.  Those shortfalls are a low TBN, they are extremely hydroscopic (Meaning they absorb moisture so they are only used in closed systems, aka compressors), and they vaporize in the very temperature range air cooled engines operate in (meaning they burn off/vaporize). Let me also comment that bearing pressures change by engine design which change with technology like oil standards. The bearing pressures on our OHV engines are higher then say the Raptor/Model 13.  With today's oils engine manufacturers can take advantage of these standards to shrink package designs and so forth.

It can be overcome with proper oil change intervals/draining the oil at the end of the night:

If a product relies on you to change it out every 40 minutes or less to 'work' shouldn't this throw up the red flag? Are saving any money on oil over time having to constantly replace your oil verses 4T? What savings is there when wear happens increases your cost to race? PAG oils and food coloring is driven on industry margin and consumption is what feeds it. Think about that.The other issue with draining your oil every night, cold, hot, or luke warm, is the residue in the crankcase still absorbs water and combine with the by-product of combustion that gets past your rings. Water creates rust and water and combustion by-product become a mild acid. Briggs 4T has a rust inhibitor and a high TBN to keep stop acid formation. Just leave it in, go home, and enjoy your life!

'They run this in top fuel and race cars':

At the highest level of our sport the majority of oil is specially formulated. The biggest misnomer in this statement is how many top fuel or race cars use a splash lube system? Zero. When you have an oil pump forcing oil across major bearing surfaces you have more 'forgiveness'. Many automotive oils, the 'best of the best', suffer from foaming when in a splash lube environment.  Air bubbles across a critical surface without the benefit of force will increase failures. Again, some of the top brands in the racing world are the worst in this environment. It isn't that they are inherently bad but they are not engineered against foaming because that isn't what they were built/designed for.

In working with Amsoil to engineer 4T the driving goal was to develop an oil without 'compromise' for our products and more importantly our racers.  This is a premium oil with an additives package and multiple synthetic base that does not compromise on quality for cost. Engineered for our engine, the environment it will live in we were able to retain and exceed performance of competitive 'karting' oils and overcome all of the shortfalls, many severe, that impact the durability and reliability of our race engines.

At the end of the day your choice of oil and air filter impact more then we ever can on your experience. By using 4T we are over half way there! :) -Briggs Racing"

For more information on our karting oil, please don't hesitate to contact us!
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