Thread: 72 suburban with a duramax (the build)
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Old 12-09-2012, 11:38 PM   #75
72duraburb
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Join Date: Jun 2011
Location: carroll iowa
Posts: 101
Re: 72 suburban with a duramax (the build)
not sure it ran a 12.2 in Denver in the altitude with the dsp5 on setting 1 so could I am not sure
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