Ok from what I know about frying oils is that a higher flash point oil makes for better frying. Olive oil has a low flash point and scorches, shortening with all it's hydrogen bonds makes for a stable frying medium and delicious fried items. Now none of those oils come close to motor oils four hundred something degree flash point. So the question is, which brand would you prefer? I know synthetics are always better but too much base additives woul impart a bitter taste. I'm thinking that [censored] single weight non detergent Accel oil at walmart would make an excellent fry oil, no additives to impart odd flavors. Any other opinions? Lets see who's the first that says amsoil is in everyhting they own including their deep fryers.