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  1. Serious thoughts on the best Cummins for a K5 Blazer

    General Discussion
    Hello everyone, first time posting here on 4BTSwaps. Long time lurker though. None the less, I am sure many of you are far more knowledgeable than be when dealing with a cummins lineup of engines. So I figured I would post a question here. Currently I have a K5 (actually an M1009) with a 6.2...