Really good video-Lake speed jr on ZDDP testing

[raygreenwood]

This is really worth watching. Great chemistry and great comparative testing in the lab and talking about the mechanics of how ZDDP (Zinc and Phosphorous) really work and why you can have too much or too little.

https://www.youtube.com/watch?v=erxjPicpYyw

Ray

[wheel607]

[cdennisg]

I watched that a couple days ago. Fantastic work.
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Confusious say it takes it takes two wipes to know you need three, but it takes three wipes to know it only needed two.

[baldessariclan]

Thanks for the heads-up on this guy! I have checked out a few more of his videos, and all have proved very informative and interesting so far -- good stuff!!
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1971 Standard Beetle — fairly stock / driver

baldessariclan -- often in error, never in doubt...

[scottyrocks]

There is thread here somewhere created by a member who used a machine, maybe similar to the one in this video, to test an extensive range of various motor oils in this manner.

I can't find the thread, but for anyone who knows of what I speak, how do you feel Lake's testing compares with the process in the thread?
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“If you care for a thing long enough, it takes on a life of its own, doesn't it? Mending old things, preserving them, looking after them – on some level there's no rational grounds for it.”
– D. Tartt, 'The Goldfinch'