We recently got asked to comprehensively test a ported blower against the stock LT4 1700 supercharger. This demonstration was on a 2019 ZL1 which had our PHASE3 Performance Package which consists of a specific camshaft profile, lower pulley and long tube headers.....in a nut shell. We did the swap straight up AFTER all calibration was completed and all within an hours time to not "unsettle" the test....we are not into "pull it in the morning" numbers....
Full article was posted here;
https://www.lsxmag.com/tech-stories/...-a-zl1-camaro/
HT