gio400 Posted January 8, 2016 Share Posted January 8, 2016 will a mack 300 em7 out pull a mack e7 with the same set up and specs? Quote Link to comment https://www.bigmacktrucks.com/topic/43428-em7-300-vs-e7-300/ Share on other sites More sharing options...
bts-4120 Posted January 9, 2016 Share Posted January 9, 2016 you will not find them with the exact same specs 1460lbs of torque with the 300m all the way down to 1050rpm probley so Quote Link to comment https://www.bigmacktrucks.com/topic/43428-em7-300-vs-e7-300/#findComment-319186 Share on other sites More sharing options...
gio400 Posted January 10, 2016 Author Share Posted January 10, 2016 ok whats the max hp the 300m can be tuned too without major internal work and can i get it to rev from 1750 to 2100? Quote Link to comment https://www.bigmacktrucks.com/topic/43428-em7-300-vs-e7-300/#findComment-319251 Share on other sites More sharing options...
bts-4120 Posted January 30, 2016 Share Posted January 30, 2016 yes they made 2100 rpm maxydynes Quote Link to comment https://www.bigmacktrucks.com/topic/43428-em7-300-vs-e7-300/#findComment-322293 Share on other sites More sharing options...
masterwelder Posted January 30, 2016 Share Posted January 30, 2016 ok whats the max hp the 300m can be tuned too without major internal work and can i get it to rev from 1750 to 2100?E-7 is a tough motor. Have the pump worked, bigger injectors and turbo- you will be impressed. Plenty of happy posts about working a E-7. Just do a search. Quote Link to comment https://www.bigmacktrucks.com/topic/43428-em7-300-vs-e7-300/#findComment-322353 Share on other sites More sharing options...
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