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  1. drxlcarfreak

    Twincharging meets Compound Turbos - Calling the Experts!

    patprimmer: I know that it takes power to drive a turbo as well, but it is a lower percentage than a supercharger, which nets more WHP/psi which is my overall end goal. Hemi: I definitely will be taking the whole project step by step to completely learn the interaction between each charger and...
  2. drxlcarfreak

    Twincharging meets Compound Turbos - Calling the Experts!

    Well, my reasoning for going the much more complicated route is 3 fold. One is spool time. Say we are aiming for about 650hp at an overall pressure ratio of 4 (44.1psi). In both systems the low pressure turbo must be capable pushing this much air. In my case this would probably be something...
  3. drxlcarfreak

    Twincharging meets Compound Turbos - Calling the Experts!

    Yes, sorry I was referring to gauge pressure, not atmospheric. My plan was to use the supercharger to increase the response of the turbos and then drop to a lower PSIG. My thinking is that a positive displacement supercharger at a PR of 2 will be running at a lower efficiency than a turbo (High...
  4. drxlcarfreak

    Twincharging meets Compound Turbos - Calling the Experts!

    I should add that while PSI is a good indicator of power, it is the desnity of the charge that I am really trying to get here, which is why for most of the powerband the supercharger is making lower boost so the heat gain is minimal and each turbo will be sized to be in its best efficiency...
  5. drxlcarfreak

    Twincharging meets Compound Turbos - Calling the Experts!

    Hey Hemi. I am looking for as high as possible boost pressures, but have seen 47 somewhat reliably. I would like to aim around there, and possibly tune for just a bit higher for race days. It would be for a weekend warrior. Mainly street driven, but taken to the track ocassionally (Drag/Auto X...
  6. drxlcarfreak

    Twincharging meets Compound Turbos - Calling the Experts!

    Hey all, this is my first post on here, so go easy on me! I have been working on a theory of mine that I finally think is ready for other eyes to to see. Everything right now is all in theory stage, but I have extensively researched every portion that I could think of on the subject. I have read...
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