After 5 years since last using GC, I am now using it again and buildind a stash. I had been using PP in my previous vehicle and Mobil 1 0w40 in my current. I recently tried PU 5w40 and noticed more noise, so I started looking at what was on sale and noticed GC with a K&N filter for $30. I have to say that so far I am very happy. With it on sale with the K&N I couldn't resist the gold! I'm developing a temptation to build another stash. What is it with GC that makes us do this???
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