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About cheeseburg

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    ch613 e7 427hp
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  1. I have a 1997 mack e7 427hp motor and it has a miss when you hold the throttle pedal steady step down and runs fine any suggestions on where to start? No fuel leaks new filters
  2. It works fine on a mack 13 speed i have had it done now for 10 years or better love to be able to spit low side
  3. hi I am a mack truck owner/operator I have a 1997 Mack ch613 with a e7 427hp motor.
  4. how do I get more power out of my e7 427hp motor and who is good working on them ? I live in Michigan by the ohio line
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