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<p>[QUOTE=&quot;kgbarnett22, post: 12328956, member: 341985&quot;]Just purchased a granite with an e7-370.&nbsp; It has no low rpm power.&nbsp; takes forever to get going empty.&nbsp; soon as it hits 14-1500 rpm it takes off like a rocket, shift then back to a dog until 14-1500.&nbsp; Any ideas what to look for?&nbsp; have read something about updating the ecm but seemed like no Mack dealers can actually do that.[/QUOTE]</p><p><br /></p>

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