terry Posted October 11, 2018 Share Posted October 11, 2018 Company that I work for just bought a 2008 Ch, has a MP 8 engine, on the engine tag it says 425E, right below that it says 338 Hp at 2100 is this only a 338 Hp engine, and does it take much to increase the ponies? terry Quote Link to comment https://www.bigmacktrucks.com/topic/54529-mp-8/ Share on other sites More sharing options...
41chevy Posted October 12, 2018 Share Posted October 12, 2018 Maybe a reflash or a piggy back module for the ECM. It controls the injector/pump assemblies for pressure and squirt duration and I believe the variable turbo gate.- Other than that I'm at a loss. God I like my old units more every day! 1 Quote "OPERTUNITY IS MISSED BY MOST PEOPLE BECAUSE IT IS DRESSED IN OVERALLS AND LOOKS LIKE WORK" Thomas Edison “Life’s journey is not to arrive at the grave safely, in a well preserved body, but rather to skid in sideways, totally worn out, shouting ‘Holy shit, what a ride!’” P.T.CHESHIRE Link to comment https://www.bigmacktrucks.com/topic/54529-mp-8/#findComment-407722 Share on other sites More sharing options...
terry Posted October 12, 2018 Author Share Posted October 12, 2018 9 hours ago, 41chevy said: Maybe a reflash or a piggy back module for the ECM. It controls the injector/pump assemblies for pressure and squirt duration and I believe the variable turbo gate.- Other than that I'm at a loss. God I like my old units more every day! nothing like the old 237/285 series, turn key and go, maybe not real powerful, but real dependable! terry Quote Link to comment https://www.bigmacktrucks.com/topic/54529-mp-8/#findComment-407737 Share on other sites More sharing options...
jkruss82 Posted October 12, 2018 Share Posted October 12, 2018 Its a 425HP engine. 338 may be the hp at 2100 RPM, but max hp is around 1600-1700 RPM. 1 Quote Link to comment https://www.bigmacktrucks.com/topic/54529-mp-8/#findComment-407760 Share on other sites More sharing options...
bts-4120 Posted October 15, 2018 Share Posted October 15, 2018 I figured the 338 would be kilowats and not hp Quote Link to comment https://www.bigmacktrucks.com/topic/54529-mp-8/#findComment-407965 Share on other sites More sharing options...
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