This is from there website
*******AMSOIL SAE 10W-30 XL-7500 Synthetic Motor Oil is specially formulated to provide outstanding wear protection, power, fuel economy and performance for 7,500 miles or six months of service. With AMSOIL XL-7500 Synthetic Motor Oil, motorists driving 15,000 miles a year need only change their oil twice annually. AMSOIL XL-7500 Synthetic Motor Oil offers a high degree of convenience and savings through its ability to perform and protect engines for extended periods.
API SL, SJ, CF, ILSAC GF-2, GF
and
******Will AMSOIL Motor Oils void the warranty of a new vehicle?
Absolutely not! Manufacturers’ warranties are based upon the use of oils meeting specific API Service Classifications, for example, SJ/CF. (AMSOIL lubricants meet the current API Service requirements and, thus, are perfectly suited for use in any new vehicle without affecting the validity of the new vehicle warranty.)
******AMSOIL 100% Synthetic 10W-30 Motor Oil is designed to provide maximum benefits in gasoline-fueled engines. It is recommended for applications requiring the following specifications:
API SL, SJ, CF
ILSAC GF-3, GF-2
ACEA A2/B2
ACEA A3, B3, B4
FORD WSS M2C205A, M2C153G
GM 4718M
CHRYSLER MS10441, MS6395 H
JASO VTW
VW 502.00, 505.00
Porsche
BMW
Daimler Benz 229.1, 229.3
as far as the 5-30 synthetic it recomends a 25,000 mile drain intervel,,,,not to sure about that one, The XL-7500 i have ran for years and change it every 5000 miles or 50 hours in the mower/generator/pressure washer ect
MP