Nissan 370Z Forum - View Single Post - Distinctively quieter engine after oil change...can it be?

racerxj17 · 06-22-2009, 01:21 AM

i used royal purple synthetic at my first oil chance (about 1500). i did not notice any discernible difference in engine noise.

06-22-2009, 01:21 AM	#14 (permalink)
racerxj17 Track Member Join Date: Apr 2009 Location: Socal Posts: 555 Drives: 09 370z Rep Power: 17	i used royal purple synthetic at my first oil chance (about 1500). i did not notice any discernible difference in engine noise.