FIREMAN Posted April 27, 2016 Share Posted April 27, 2016 Thinking of putting a tuner on my 2007 AC-460. Looking for better fuel mileage not so much more horsepower.I took the muffler off and put in a hi flow air filter and that takes it up to about 5.9 MPG. I pull a tank and have pump off time just about everyday. Before I made the changes I could only get about 5.0 to 5.1 MPG out of it. I don't want more fuel economy at the risk of shortening the life of the engine itself. Any ideas on what is out there as far as a tuner goes. I have been talking to a guy about a "Steinbauer" any opinions? Quote Link to comment Share on other sites More sharing options...
bts-4120 Posted April 28, 2016 Share Posted April 28, 2016 1st gen egr motors and fuel mileage never went together 1 Quote Link to comment Share on other sites More sharing options...
Mack Technician Posted June 6, 2016 Share Posted June 6, 2016 IMO...Too much internal fuel control business going on with the AC460 to take the liberty of adding more. AI460 is a playground. Quote Link to comment Share on other sites More sharing options...
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