Martyjsh1 Posted July 2, 2014 Share Posted July 2, 2014 Hey boys, New to the site and looking for directions. Just started latest redo of a 93 EM7-300 for one of our tri-axles. If the info I am looking for has already been addressed and is available please direct me to where to find on your site. Specifically would like to know if it's possible to boost this block to a larger CID or higher horse version by parts changes, pump redo, turbo or all of the above. All of my previous rebuilds have been done to stock OEM specs. with OEM parts. This particular engine sucked an exhaust valve in #6 and unfortunately crushed the rear head as well. Since I am doing liner kits, bearings, injectors and obligatory pump checks, this might be the time to upgrade to maybe 350 or 400?? Just a thought. What's yours? Thanks,Marty P.S. Great, interesting site! Quote Link to comment https://www.bigmacktrucks.com/topic/36217-em7-300-rebuild/ Share on other sites More sharing options...
220cummins Posted July 2, 2014 Share Posted July 2, 2014 Welcome fellow yinzer! Quote Link to comment https://www.bigmacktrucks.com/topic/36217-em7-300-rebuild/#findComment-251359 Share on other sites More sharing options...
bts-4120 Posted July 2, 2014 Share Posted July 2, 2014 you could run the rack out if its a manual motor and put in some hotter injectors in . you would not want to build it to a factory spec 350 or 400 due to the fact there are low torque rise and you have a high torque rise motor and probley a 6 or 7 spd trans? I did have a Ch once that some one put in a e7 350 and it had a t-2060 and it did pull well. Quote Link to comment https://www.bigmacktrucks.com/topic/36217-em7-300-rebuild/#findComment-251456 Share on other sites More sharing options...
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