Beeasy03 Posted May 8, 2017 Share Posted May 8, 2017 E7 427 max horsepower n what can it be turned up to without changing injectors n turbo Quote Link to comment Share on other sites More sharing options...
Mackpro Posted May 8, 2017 Share Posted May 8, 2017 What year model? ETECH, CCRS and the two different ASET engines (AI and AC) all are difffernt in what needs to be changed or not changed in doing HP upgrades. Model of truck and last 6 of the VIN and I can tell you in the morning Quote Link to comment Share on other sites More sharing options...
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