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  1. nick.moulis

    2008 duramax blowing white smoke

    Hi I'm new to the site, my name is nick I own a 2008 lmm duramax, I did a turbo back straight pipe, efi live, truck has 107,000 miles, efi live has been setup for about 3 monthes and it just started blowing white smoke. Checked the oil, coolant is still topped off, what else should I check? Has...