Question about 2004 Dodge Ram 1500
Quaker State Syn 5w30 or Mobil One Syn 5w30
Brand names aside, both lubricants bear the same designations. 5w being how the temperature when cold affects the pour point of the lube, second # being how the lube protects components (film strength) when at operating temp. If you follow recommended oil change intervals, either will perform fairly well, and better than conventional oil. I have done extensive research on lubricants and their properties as related to professional drag race engines which see far higher pressures, temps and general "abuse" when compared to the grocery getter. The major difference between lubricants from varying manufacturers is the additive and stabilizing chemical packages they add to the actual lubricant and the quality of the "base" oil which is essentially "cloned" to produce the synthetic. This package determines the lifespan of the product, based upon burn off rate, chemical changes from shear etc. Since many auto manufacturers have increased oil change intervals, if followed, any synthetic on the market today is pretty much OK to use. Do your own research if you want to exceed manufacturers requirements. One company, Amsoil, offers some really good lubricants that exceed every requirement in every application. There are other companies that also offer some good options. The final decision is up to you, but in average driving situations, as a general rule, just about any lube that meets manufacturers posted specifications should be OK>
Posted on Jan 26, 2009
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Posted on Jan 02, 2017
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