What criteria makes a good oil? newbie help!

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Nov 15, 2003
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What exactly makes one oil better than the other? I understand the differences between "Dino" and synthetic, but what seperates Amsoil 10w30 from Mobil1 10w30 from Valvoline 10w30synth? Or the difference between Rotella 15w40, Delo 15w40,Delvac 1300 15w40 and Pennzoil HD 15w40? Is it just Zinc and Phosphorous levels? ANY help would be great, I'd really like to be better educated in oils!
 

TC

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Sep 12, 2003
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Study these articles and you'll know a lot more about motor oils than 99% of mechanics. Keep in mind that these articles are a few years old, so most of the data pertaining to specific brands of oil are outdated. But what you're looking for is info on the science behind oil formulation, so it's still great -- and pertinent -- info... http://popularmechanics.com/automotive/auto_technology/2002/8/motor_oil/print.phtml http://www.vtr.org/maintain/oil-overview.html http://www.shoclub.com/lubrication-oil/lubrication-oilpart1.htm http://www.intellidog.com/dieselmann/b_smoke11.htm [ December 01, 2003, 05:25 PM: Message edited by: TC ]
 
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