I have about 7000 miles in my Ford Crown Vic - I've done maybe 7-9 oil changes already and this is the first time I'm using a "synthetic", SuperTech Synthetic 5W-30 to be exact.
I was planning to just run it for a year (around 3000 miles) and sending it in for an oil analysis.
Would I screw up the results changing the oil filter once before changing out the oil?
I was planning to just run it for a year (around 3000 miles) and sending it in for an oil analysis.
Would I screw up the results changing the oil filter once before changing out the oil?