Originally Posted By: david_ES2
Makes me wonder if i should change my Amsoil 0w20 out already. 6 months/4,000 miles 90% city driven...
Fresno? In a Honda? Big difference, plus all city driving is not the same thing as driving very short trips. Some city driving, engine gets fully warm, not hard at all on the oil relative to 0.5mi trips. It's the time at temp that counts.