Quote:
Originally Posted by mines13
There have been plenty of twin screw OEM supercharger applications. Mercedes Benz (AMG 55 series cars), Ford (Ford GT super car), Mercury Marine, etc. There are also several current gen Roots supercharged engines. Jaguar, Ford, Cadillac, Chevrolet, Holden, Lotus...
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i was only aware of the Ford GT using a lsyholm twin screw didn't know AMG did it as well.
The Efficiency of the TVS series has brought positive displacement superchargers back to the oems (jags (use gen 5 roots i think), ZR1,Zl1,Cts-V,GT500, Holden Commodore, the new lotus's even use an R900 TVS)
For reference lysholms are about 65% thermally efficient at peak, compared to 70+ for TVS. the R1900, 2300 (CTS-V, ZR1) peak at 75 and 76% just shy of vortech's claimed 78%).