Is Supercharger Camaro
http://shaneivtc916.aircus.com/the-pros-and-cons-of-whipple-supercharger-on-60-australia
The Whipple 2300 screw is much better matched for larger engines or greater rpm. At 1500rpm it gave up 50 ft. pounds. to the MP112 (350 ft. lbs. to 400 ft. lbs.) and also only captured up and also crossed over