| True they don't have API seal but it does cost money to put that seal of certification each grade of bottles. APPLICATIONS: AMSOIL Synthetic 10W-30 Motor Oil is recommended for use in gasoline engines and other applications requiring any of the listed worldwide specifications: API SM/CF, SL, SJ ... ILSAC GF-4, 3 ... ACEA A5/B5 JASO VTW GM 4718M, 6094M Ford WSS-M2C205-A Daimler Chrysler MS-6395N VW 503.00
[ http://www.amsoil.com/StoreFront/atm.aspx ] Amsoil 10W-30 testing, (notice the ASTM # used for testing) [ http://www.amsoil.com/performancetests/g1971/index.aspx ]
Amsoil has been in business for a very long time and if the numbers were bogus they would have been closed down a long time ago.
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 **Dynoed at 371.2 rwhp. and 362.3 rwtrq. @ .9 bar on pumped 91 gas no time tweaking 3/11/03** **Dynoed at 411 rwhp. and 452 rwtq. @1.15 kg. on race gas 104 no time tweaking 3/28/03 **All numbers are SAE corrected**
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