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Originally Posted by dukie564
(Post 705278)
That's exactly right. The only difference is the startup thickness. The thinner the oil at startup, the less strain it puts on the engine and starter prior to reaching operating temp.
Oil on the surface of parts does not lubricate. It is the FLOW of oil between parts that lubricates A thinner oil allows for better flow, thus lubricating better. Modern synthetic oils cling to parts better as they have higher film strength than mineral oils. Synthetics are thinner overall and they have greater slipperiness, Yet they stick better to engine parts. So....yes 0w-30 or 5w-30 will work fine in your jeep and it will love you for it. Just make sure to stick with an SAE-30 oil. here is a link to something about the 0W vs 5W vs 10w oils useing AMSOIL for an example. http://synthetic-motor-oil-air-filte...-30-10w-30.htm |
I believe several mfgs are recommending 5WXX with 0WXX being preferred. 0WXX is only available in synthetic so (to me) it obvious why mfgs would prefer you use 0WXX. 0WXX flows quicker to engine parts at start-ups below normal operating temp and 0W30, 5W30, 10W30 and 30W are the same vis/weight at normal operating temp.
http://www.bobistheoilguy.com/cms/in...d=84&Itemid=92 |
Originally Posted by TheGreatGazoo
(Post 705790)
After reading your post with my quote, what you said started to make sense to me so i did a lot of googleing on this subject and i learned something new. thanks Dukie564 for teaching thie old dog a new trick.
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