JBrown Cayman Posted September 2, 2021 Share Posted September 2, 2021 I'm looking at purchasing a Mack MR688s 2007 model just not familiar with the AMI motor please give feed back on the AMI Motor Quote Link to comment https://www.bigmacktrucks.com/topic/67955-is-the-mack-ami-motor-as-reliable-at-the-etech/ Share on other sites More sharing options...
Macktech20 Posted September 3, 2021 Share Posted September 3, 2021 For the most part yes they were very reliable engines. They had their issues with camshafts and other stuff like the later E-Tech engines but for the most part the AI engine is a good engine. The biggest downside of them is the lack of power but you can change a few things on the engine to make more power. Quote Link to comment https://www.bigmacktrucks.com/topic/67955-is-the-mack-ami-motor-as-reliable-at-the-etech/#findComment-479358 Share on other sites More sharing options...
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