Well, did you look at the Whipple 8.3L blower? Looks like a roots, runs like a screw blower...Whipple W510R....All the good things of a roots, without all the heat.....

https://www.vividracing.com/whipple-w510r-83l-twin-screw-supercharger-p-150706668.html

proxy.duckduckgjjikho.com.jpg
Last edited by Dragula; 01/30/19 12:56 AM.
'70 Cuda,...605 EFI Hemi Street Car (6.20 best pass, 1.33 60ft)
https://www.youtube.com/watch?v=WYw6RA-k5Bk (6.25 at 108.75mph from inside car)
https://www.youtube.com/watch?v=3zQEb9uxFng (6.25 at 108mph from outside car)
https://www.youtube.com/watch?v=JCvfzsC4NgM (9.9)

'66 Barracuda AWB Stretched nose Blown 440 Car in build stage

'71 Duster Drag Car 400 Low Deck 512 best 6.002 at 115.44mph
https://www.youtube.com/watch?v=Znuo3jMUXTk