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Old 11-07-2010, 02:47 PM   #7
20Camaro11
 
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Drives: SS
Join Date: Aug 2010
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Some links explaining what the OP is referring to. The second link is the most informative and interesting.

http://ask.cars.com/2009/02/whats-th...y-cars-pe.html


http://www.zhome.com/ZCMnL/PICS/wint...winterGas.html
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