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So now onto bigger projects. Has anyone added power to a em7 275 H.P.? I would like to get a little more umph out of the old truck and the dealer doesn't have any real clear answers as to whether the truck can be turned up or not without paying them to dyno it and do scans etc... Just wanted to check with you guys before I went that route. Is there any way to get more power out of this truck without the dealer? I called these guys http://www.rochesterfuel.com/products/mack-performance/ the new injectors seem reasonable to get some more power out of it.

Edited by 90plow

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