C Carletonguy Member Sep 21, 2007 #22 I drive a 08 Mazda 3 with 2.0L engine. The user manual specified to use 5W-20. Isn't 5W-30 better for the engine in long term??(screwy).
I drive a 08 Mazda 3 with 2.0L engine. The user manual specified to use 5W-20. Isn't 5W-30 better for the engine in long term??(screwy).