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In colder climes like where you are in PA it would not be the best choice during the winter months. Note that 0w-30, 5w-30, 10w30 major brands are API certified oils (starburst symbol) with additives necessary for DD use. The 10w-0, 20w-50 blends are not API certified because the additive package cannot meet the specs. The additives usually contain more zinc and phophorus that are used to control direct metal contact as the last barrier for wear and they also do not meet the energy conserving spec. Note that Amsoil standard 10w30 does not meet this spec and it does contain significant amounts of Zinc and Phos. Only their 2000 series 0w, 5w, 10w-30 oil does meet the spec because enough people complained so Amzoil complied with the 2000 series. No API certification does not make Amsoil or any major brand oil bad but one needs to ask questions and select the oil right for the intended use for the expected temperatures. I have a 92 NA and have always used 10w 30 mineral. Car has 82k and zip oil consumption, never any valve ticky and a very good running engine. Other vehicles I have owned I have used the 10w 30 mineral. One example is a 1985 ford T bird V8. Donated it at 240K and still had a fairly healthy engine with very little oil use (<1/4 qt/4000miles).
ZUL8TR in Orlando,FL |
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10:06:17 01/17/07
