Re: Motor Oil

Posted by B-maniac on March 05, 2006 at 08:57:10 from (24.247.161.226):

In Reply to: Motor Oil posted by mtgummibear on March 04, 2006 at 09:58:30:

The oil additive package wears out and the oil gets polluted and now you are back to single weight non detergent oil that is dirty. Oil itself doesn't wear out but you don't want just "oil itself" in your engine either. It's up to the individual engine usage as to when the above happens and when to change oil. I agree with the other posts on the brand equallity but no one has adressed full synthetics! With my limited education on these AND my own personal experience I believe they are superior.I believe the additive package,the viscosity stability,the lubricity and the clinging/sheeting ability far surpasses the others.Here's what I've been told as to what causes all that..maybe someone on here can verify. The molecules in regular oil are of all different sizes... in synthetics they are all the same size...hense,the lubricity/load bearing capacityof a layer of ball bearings of all the same size is superior to that of a layer of bearings of varying sizes (load is carried by only the largest ones as apposed to every molecule supporting the load equally.I tend to believe this as "synthetic lubricants" developed for jet engines isn't even derived from petroleum...hense the molecular size is 100% equal. This also allows the use of lighter viscosity and still have superior load carrying capabilities.???? This oil is just as clean and more slippery after 5-6000 miles as the regular oil I used to use was at 3000 miles.Seal leak issues are non-existant and as if price should matter, it ends up being almost equal per year.I will go on record,though, and say that if your miles are all stop&go and/or cold weather where you never get up to temp,then use whatever you can get the best buy on(MFG. Recomended) and change it at 2-3000 miles or less.In tractors ...hobby/work ,drain water off bottom periodically,but nobody but you can decide your change intervals based on usage. You are the one using it!

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