I read your post on oil changes. Andrew was right with the amount of threads on this topic. Lots of Synthetic fanboys out there. I had redline too but after two redline oil changes, I switched over to Amsoil full synth. There was a test on Amsoil, Royal Purple, Mobil 1, Redline, and some other brands and Amsoil out performed all of them. I also got their filters. Car ran really smooth and really takes it up to the upper limits effortlessly.
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