Kjriedl Posted April 13, 2017 Share Posted April 13, 2017 Thinking about buying a 2007 Mack granite with 137k miles it has an E7. Any thoughts? Quote Link to comment Share on other sites More sharing options...
nelm1994 Posted April 13, 2017 Share Posted April 13, 2017 What e7 ? I have a 2006 granite with an ai 460 . If you like no power and poor mpgs this is the engine for you. 1 Quote Link to comment Share on other sites More sharing options...
Mackpro Posted April 19, 2017 Share Posted April 19, 2017 Better have 4.42 or 4.64 rears and the engine needs to be a AMI370 , AI427 or AI460 before I would even look at it. . Performance even at 460 HP is OK but not great I guess. As far as MPG . 5.3 average is the best I have ever seen but 4.3 to 4.9 is what I see most. Most of my friends are slowly upgrading to GU MP-8's in the last couple of years and are very happy. Amazing what a 100 extra cubic inches does. 1 Quote Link to comment Share on other sites More sharing options...
nelm1994 Posted April 19, 2017 Share Posted April 19, 2017 Mark pro is right on the mpgs I was getting low 4s before I upgraded to stage 2 injectors, bigger turbo, area diesel module and 5 inch exhaust . Now I get high 5s . Power is a lot better but I was expecting more from a 460. Quote Link to comment Share on other sites More sharing options...
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