10-24-2009, 07:11 AM
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CC Member
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Join Date: Sep 2008
Location: Austin,
TX
Cobra Make, Engine: ERA FIA, 351W
Posts: 765
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Not Ranked
I don't know where I saw comparison report (I thought I found it here). Check it out; Royal Purple crushes Mobil 1.
http://www.qmi.no/teknisk/Norway%20p...odorecover.pdf |