mack mhe9 Posted September 14, 2011 Share Posted September 14, 2011 ive have v8s ive driven a few 6cyl but never owend one, so my next project i think is going to be a 6, i think im going to try a single axle tractor with a 3 axle trailer, would like to use an r model mybe an ch, so my question would be what are good years for for hot roding a 6 for power and fuel mpg, prefer a mech, over elec, thanks Quote Link to comment https://www.bigmacktrucks.com/topic/20587-learning-about-6cyl-macks/ Share on other sites More sharing options...
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