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vgalewick

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  1. I am surprised that no one has had any information to add to this thread...has no one tried any of these power adders ? I guess I will volunteer to be the 1st and report how well it seems to work... vgalewick 2009 american allegiance 400 cummins isl
  2. My coach has a Cummins 400 ISL, and I am interested in more power and better mileage....who isn't? There are numerous companies that sell aftermarket "chips" that claim 20-45% more power and 15 to 20% better mileage, for about $700....I spoke with my Cummins service rep, and he was surprisingly positive about it, and told me how his Cummins powered Dodge truck added 200 horsepower with such a "chip".... He also offered to upgrade me to 425 horsepower for only $125, with the Cummins software package. I am very interested in finding the best possible company to buy one of these from, and I am hoping someone has a good experience and could provide a referral to a good company to buy from...here is a link to one of the companies I have looked at: http://illinoisdynocenter.org/
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