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API licensing is $4,500 per year for less than a million gallons. The main capital cost is going to be buying enough product to meet a minimum order quantity. You have to be able to cover the cost of the inventory.

It is not possible to make a monograde CI-4, CJ-4, or CK-4 product. The last API category with monograde products was CH-4.

Originally Posted By: Yah-Tah-Hey The two thousand mile oil.// You just going to keep posting that until somebody tells you how clever you are?

I think the answer to this is that they don't entirely know why. Most of the explanations I have heard are just that calcium seems to increase the likelihood of events, but the exact reason isn't known.

You don't want to use GL-5 rated products in applications where yellow metals are present. The extra sulfur required for GL-5 EP performance is corrosive to them. I find it a little odd that Motul claims GL-4 and GL-5 performance on the same product. My understanding was that the specs were...

Originally Posted By: Papa Bear Originally Posted By: Badroberts A lot of companies do publish that information, they are called product/technical data sheets. A lot are easy to find online. Please link me to some ..... does the brand I'm holding in my hand in the store have a data sheet?? I...

The phosphorus limit is a requirement/criteria for meeting the API SN specification. The fact that the oil also meets CK-4 or FA-4 is not directly related. You could very well have an older specification motor oil for gasoline engines with a higher phosphorus content than what is allowed by...

A lot of companies do publish that information, they are called product/technical data sheets. A lot are easy to find online.

Assuming you are using a universal tractor hydraulic fluid, it will probably stay emulsified for a while. The chemistry of a UTHF is going to be different from a "regular" hydraulic fluid in that the UTHFs (that I have seen anyway) typically have a detergent/dispersant similar to a motor oil...

Originally Posted By: MotoTribologist Originally Posted By: Bluestream I should use FC-W in my cars, because I drive through heavy rain storms all the time. Also sits outside 365 days a year, and I drive through slush in the winter. My boat on the other hand is only put in the water when used...

A lot of those specs are mutually exclusive in terms of viscometrics as well. It is not physically possible to meet the requirements of Mercon LV/ Dexron VI and Mercon V at the same time.

Originally Posted By: DoubleWasp The FC-W standards are nothing incredible. FC-W certainly does not outline anything beyond the capabilities of a good HDEO. HDEO oils are designed for temps and corrosion resistance beyond what a gas outboard will likely ever see. Incorrect, CJ-4 requirement is...

Originally Posted By: AjsGarage Hope you havent changed the oil yet. If Yamaha says you need a FC-W 10w30 synthetic then thats what you gotta put in to stay in warranty. I have heard of a lot of people being denied warranty due to not using the right oil. Outboard manufactures are not as lenient...