Gravelguy413 Posted February 17, 2022 Share Posted February 17, 2022 Looking at a truck with the AMI 300. What has to be done to go to 370 hp. ? Quote Link to comment Share on other sites More sharing options...
JoeH Posted February 17, 2022 Share Posted February 17, 2022 Transmission and driveshaft need to be rated for increased hp/torque, other than that I'm guessing it takes convincing a dealer to program your EECU to an ami 370... Quote Link to comment Share on other sites More sharing options...
Mackpro Posted February 17, 2022 Share Posted February 17, 2022 The AMI370 uses bigger injectors and turbo than the AMI300. And due the the EPA I don’t think Mack will do a HP bump to the AMI 370. However they will possibly do the HP upgrade to AI 427 or 460. Regardless you will need the bigger injectors and turbo. Your dealership can submit a HP change request to Mack and see what they say . 2 Quote Link to comment Share on other sites More sharing options...
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