On the electronic engines, not much. The p-pump Cummins have a few tricks you can do for free to bump the fuel up... Still need the cai and turbo mods to get the most out of it... not to familiar with the powerstrokes and the early gm diesels suck too bad to worry with...
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Trevor- 35
2006 Dodge Ram 2500 QCSB 5.9
Straight pipe to irritate the neighbors.
Stock motor still gets the job done.
Need Cummins info? Just ask...
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