i can't believe i never found this thread. im 100% polish, both my parents are from warsawa. i can read and speak polish, but unfortunately i can't write :thumbdown: . i have a question and maybe you guys can help. my dad went to poland to a family emergency and has been there for some time. we actually sent out 2007 chevy tahoe out there for him to use. he needs to change the oil and he has used 10w-30 american motor oil up to date in the car. now he is in poland and needs to change his oil, what type of oil should he use and whats the differences between european oil and american oil. please help! you can reply in polishhhhhhh! :biggrin: