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Message: [QUOTE="Jason, post: 1320914, member: 430"] I wonder if these tuning practices from the pickups, that these guys are using could be carried over to big trucks as well? I mean, it could potentially be a very expensive trial by error situation, but for what it costs to have an ecm programmed with a good file, and not Cat's latest and greatest low nox files..I think it could be a great middle of the road option. I know there are a couple of guys who do it already. I work for one of the biggest LTL freight companies in the world, but on weekends, or days off, I run a buddy of mines '06 379 Pete hauling cattle. Truck has a PDI tuned acert cat, and it makes great power, it's either set at 725, or 750, can't remember. It runs extremely cool egt's, and burns pretty clean, but if you catch it out of boost, it smokes bad enough to completely black out a very well lit cattle trailer at night. I think the ability to tune on a dyno, with various load situations, could eliminate all driveability issues, have them burning very clean, and efficiently. Just a thought sent from the throne as I scan this topic. [/QUOTE]

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