{"id":1676,"date":"2025-07-18T09:23:04","date_gmt":"2025-07-18T09:23:04","guid":{"rendered":"https:\/\/oilbyeasy.demoservertest.in\/?p=1676"},"modified":"2025-07-18T09:23:04","modified_gmt":"2025-07-18T09:23:04","slug":"noack-volatility","status":"publish","type":"post","link":"https:\/\/oilbyeasy.rankingxperts.tech\/?p=1676","title":{"rendered":"NOACK VOLATILITY"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Oil Data Sheets provide information about the quality of the lubricant. ; ;One of the key numbers to look at is the NOACK number. ; ;The Test is standardized as ASTM D5800. ; The NOACK number is the percentage of evaporation that happens in 1 hour when held at 250 degrees. ; It&#8217;s a good measure of heat resistance and the ability to perform under extreme conditions. ; The more a motor oil vaporizes the thicker and heavier they become, contributing to poor circulation, reduced fuel economy, increase oil consumption, and excessive wear and emissions. ; A maximum of 15 percent loss is allowable to meet the API SL and ILSAC GF-3 specifications. ; ; Interesting tidbit; AMSOIL Inc was the first Oil Company in the United States to use and report NOACK results in 1984. ; ; Most oil companies list this information on their data sheets, but some do not. ; These are not made up numbers, they are ASTM tests that companies pay to have done. ; If oil companies do not publish this information it is likely out of embarrassment or it shows their flaws. ; The Lower the number the better. ; AMSOIL Signature Series 5W-20 has a NOACK volatility number of only 5.8. ; ; Another oil I just researched for a customer has a NOACK Volatility number of 13.7! ; ; Remember that is the percentage of evaporation that happens in 1 hour when held at 250 degrees. ; 13.7 may meet the minimum spec but when operating in a commercial environment in extreme conditions of heavy use, pulling heavy loads, with hundreds of thousands of dollars invested in equipment why chance it with an inferior oil? ; AMSOIL provides the extra protection needed to keep equipment running and out of the shop with repairs. ; AMSOIL Signature Series Oils for Gas and Diesel vehicles are designed in the lab and over engineered to provide the absolute best engine protection<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Oil Data Sheets provide information about the quality of the lubricant. ; ;One of the key numbers to look at is the NOACK number. ; ;The Test is standardized as ASTM D5800. ; The NOACK number is the percentage of evaporation that happens in 1 hour when held at 250 degrees. ; It&#8217;s a good [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-1676","post","type-post","status-publish","format-standard","hentry","category-oil-by-easy"],"_links":{"self":[{"href":"https:\/\/oilbyeasy.rankingxperts.tech\/index.php?rest_route=\/wp\/v2\/posts\/1676","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oilbyeasy.rankingxperts.tech\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/oilbyeasy.rankingxperts.tech\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/oilbyeasy.rankingxperts.tech\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/oilbyeasy.rankingxperts.tech\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1676"}],"version-history":[{"count":0,"href":"https:\/\/oilbyeasy.rankingxperts.tech\/index.php?rest_route=\/wp\/v2\/posts\/1676\/revisions"}],"wp:attachment":[{"href":"https:\/\/oilbyeasy.rankingxperts.tech\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1676"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/oilbyeasy.rankingxperts.tech\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1676"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/oilbyeasy.rankingxperts.tech\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1676"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}