Instructional

We know you prefer to talk on the phone rather than typing...BUT At Dmax Swap we get a lot of technical questions, and that's great because we have the answers when it comes to Duramax conversions; We have put a Duramax in everything but an airplane!!! We have been tuning with EFILive and building high [...] Continue Reading

We've had some people express their intimidation of installing the standalone harness and have questions about how they are to be wired. Each connection is labelled and there are tailored instructions included with each updated Duramax standalone harness. In this video, you will get some great information, tips for installation and a visual demonstration of [...] Continue Reading