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Old 12-23-2009, 07:08 AM
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stainlesscycle stainlesscycle is offline
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Join Date: Jun 2009
Location: morgantown, wv
Posts: 1,608
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i run 50:1 super m, i've run 40:1 927 in the past. i like the smell of the 927 but it left more of a mess in my power valve. the super m burns cleaner but it's more difficult to get good plug readings, the color is a little off (kinda greyish).. i'm switching to 40:1 super m this spring..
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