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Old 12-25-2009, 10:26 PM   #13
flyby

 
Drives: 2010 Silver SS
Join Date: Sep 2009
Location: Glen Gardner, NJ
Posts: 1,326
Well, I use Royal Purple. I also still use Z-Max. Let's see in oh ten years who has more out of pocket engine expenses. Bet I win. Many people have knee-jerk reactions. Mine are based on pure science and testing. Yes extensive testing. For a few dollars, more horsepower, lower friction, longer engine life, better gas mileage. I will continue spending a little more for a lot of benefits.
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