For the new engine in the 2015 Challenger SRT Hellcat, the supercharger supplier is not Eaton (which is famous for the Eaton TVS used on the Audi 3.0 V6 engine). Instead it is an twin screw supercharger from IHI.
The IHI supercharger has similar efficiency with the Eaton TVS roots-type superchargers, but it has a significant higher operation noise level, which I think is not a problem for the purpose of Challenger anyway – because the Challenger is not designed for luxury car purpose. And also I guess the invoice that IHI is quoting Chrysler may be lower than Eaton.
After the supercharger there is a huge pressure stabilization chamber similar to a naturally aspirated e...
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