Stag 300-6 Qmax Basic Download May 2026

1. Introduction The STAG 300-6 QMAX Basic is a popular, cost-effective LPG/CNG injection controller (ECU) manufactured by AC S.A. (Poland). It is widely used for sequential gas injection systems in vehicles. To configure, calibrate, or diagnose this ECU, specialized software is required.

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Robert Allen

Since being a toddler, Robert Allen has been immersed in video games, anime, and tokusatsu. Currently, his days are spent teaching at two southern California colleges. But his evenings and weekends are filled with STGs, RPGs, and action titles and well at writing for Tech-Gaming since 2007.

11 Comments

  2. The graphics aren’t the best. The girls look kind of plain. I guess that’s because it’s an H game.

  5. Good review. I played the demo and couldn’t keep the bullet counter going. Is that in one of the modes?

  7. Good review. I’m a little surprised. You’ll H games kind of suck when it comes to quality.

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