I also need guidance , i read above thread not to change brand of oil Currently my car 97 civic have total 20W-50 Oil ,which I personally wanted to pour previously was 10-40 of any brand but the guy at oil store gave alot of theories & ended up with Total 20W-50 now that oil has reached it's end,means need to change used for 3000km ,I don't feel good driving in 20W-50 before this i always use to put 10-40 ,the response of engine is not that great what it had with 10-40 also Fuel economy has gone down alot,now I want to put 10W-40 Grade oil which oil will be best for it & Which brand please guide or if not this grade then what grade.
Engine is stock which use to come with 97 Civic 1496cc ,I did put kabli stock engine in 2012 till now that kabli engine is driven by me/fam only 50k total odo is 190k @tintin1