Posted on April 24, 2018 by kpaylor — Leave a commentGM 8.1L Natural Gas Engines Post navigationPrevious post: GM 8.1L Gasoline EnginesNext post: GM 6.0L Gasoline Engines Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment.