Changed the oil in both my Infinity G35s. 06 G35x and 03 G35. RWD car can fit a much larger oil filter so of course I obliged. Both cars filled with HPL Supercar 0w40 for the winter. Well the G35 actually got a half quart of Supercar 5w40 out of the bucket I bought since it's larger oil filter necessitated it.
This is my first full oil change with HPL products since I had my RB25 swapped 240sx. The rear wheel drive G35 had a quart of engine cleaner in the previous change, but the engine in the X looks quite clean so I didn't feel it was necessary. The G35 has a couple hundred miles on it so far, and it seems to be happy as a clam, noticeably less noisy than the 8000 mile Mobil one 5w40 that was in it prior to change, which only makes sense. I went a little over my OCI as I was planning on putting this car up and driving the X, but the X needed a lot of repairs that I'm still working on. Now that they both run I figured I'd change them at the same time.
180k+ miles on the G35 (speedo/odo don't work right)
147k miles on the G35x