Hotrodtractor
Moderator
Not to poke fun at you I'm just using your quote as an example, but this is a factor that has probably played into things as well. These engines ain't a 5.9 cummins, there is a lot more displacement to work with. Everyone in the performance world has based everything on a 5.9, what is a large charger on a cummins is nothing more than a modest sized charger on a 7.3. People need to think about it and put a charger on that is speced to work with the airflow requirements of a 7.3. Look at Travis's truck (moormph) hell 5 years ago he was running a hx82 as a single bushed down to 3.0 and lighting it with an auto. If in fact that had the smallest turbine available from holset it was a 130/94, quite a difference from the 96/88 borg wheel that everyone thinks is huge. Good friend of mine street drove a s469 with the 96 turbine for a few years with no problems whatsoever. Truck was "on" the charger by 2300rpm.
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Very true - although I thought it was an HX80 - either way I remember that charger under the hood of his truck in the passenger fender well many years ago. I honestly had forgotten about it until you just said it.... that seems like ages ago.