acumminsman Posted January 6, 2013 Share Posted January 6, 2013 Hey guys ! new to the forum and hope you guys can help me out.have a em7-300 in a 93 tri axle dump. no top end power what so ever.on a good day it will hit 55 loaded or unloaded. New bosch pump. idles andstarts fine. bottom end power is awesome. what do i need to do to get this thing runnin 70 again... its a real slow go. thanks guys. Quote Link to comment Share on other sites More sharing options...
rsb502 Posted January 7, 2013 Share Posted January 7, 2013 How many rpm are you running at 55/70? how many rpm is the engine running at low speed? Does it turn more rpm before? What is your gear ratio? Quote "Any Society that would give up a little LIBERTY to gain a little SECURITY will Deserve Neither and LOSE BOTH" -Benjamin Franklin"If your gonna be STUPID, you gotta be TOUGH" "You cant always get what you want, but if you try sometimes you get what you need" Link to comment Share on other sites More sharing options...
Lmackattack Posted January 7, 2013 Share Posted January 7, 2013 need some new Fuel filters? look there first.....cheap and simple to replace! Quote Link to comment Share on other sites More sharing options...
burnstransport Posted January 7, 2013 Share Posted January 7, 2013 Any change in the pyrometer readings at highway speeds climbing a hill? Quote Link to comment Share on other sites More sharing options...
acumminsman Posted January 11, 2013 Author Share Posted January 11, 2013 SOLVED......i feel stupid. There was no air going to the puffer valve, therefore none to the pump. airline was removed after trans change.hoohed back up and BAM>>......all is good. thanks guys Quote Link to comment Share on other sites More sharing options...
Lmackattack Posted January 11, 2013 Share Posted January 11, 2013 yep that will do it...dont you love simple fixes! Quote Link to comment Share on other sites More sharing options...
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