Get your last free service done with the HH mineral oil and shift to Shell AX7 only after that.
I have been changing the oil myself for sometime now and my observations are:-
HH mineral 10w30 - 1000 kms in city, 1500 kms on highways max. Great pickup, observed maximum mileage on the highways with this oil, 50 kmpl and 44 in city.
Castrol 20w50 SS - Not at all good for ZMR. A very heavy oil. Vibrations minimized, but mileage dropped to 36 kmpl on highways, took 10 sec to 60 etc etc. Changed within 600 kms of use.
Shell AX7 SS 10w40 - VFM. Very VFM. Lasted me around 2.5k. During oil change, it was brown in color. Seemed to have gone bad. Was expecting around 3k kms. Mileage around 46 kmpl on highways and 41 in city.
Mobil1 10w40 FS - Best for ZMR. Gives a balance between mileage and performance. The last oil change lasted me 4203 km exact. Still, the old oil was less brownish when compared to Shell AX7 during change. Decent pickup, oil doesn't lose viscosity in B2B traffic. Smooth gearshifts till 3.5k, after which they start getting harder. Mileage on highways ~47 kmpl and 41 kmpl in city.
------------
City mileage taken in Bangalore and Chennai.
Highways throughout Tamil Nadu and a few in Karnataka.












by doing the 'dirty' work & the mobil1 had its job easier.

Comment