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Old 06-12-2011, 09:35 AM
buexdreux buexdreux is offline
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Join Date: Dec 2010
Age: 43
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Vehicle: 2007 Dodge Ram
Trim Level: Lonestar 4X4
Engine: 2003-2008 345ci (5.7L) Hemi V8 345hp 375lb/ft
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Default Best way to increase power/mpg for 07 5.7?

Am looking at the best way to improve the stock 345 horse to closer to 400 plus get better mileage. Thinking about porting and polishing heads/intake and a handheld tuner. I had a Superchips tuner that didn't work too well with the MDS (kept disengaging the MDS at highway speeds) and it didn't improve anything. I saw an episode of either Trucks! or Extreme 4X4 where they improved both mpg/hp by adding an aftermarket EFI system and I'd like to do that, but I don't remember who makes the system and I can't find that episode. If anyone can help with any of the above listed please respond!
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