http://www.hitechfuel.com/media/pdf/HiTech_ACES_II.pdf
Its to bad that this AcesII product was not tested also. I have been using it in a duramax for 8 months and it seems to be helping the mileage. I would like some independent tests to back all there hype though. I just trade for a new 6.7 CTD and I'm wondering if AcesII will be safe to use .
__________________
08 CTD QC 4x4 Big Horn, Nothing Added Yet