Challenger Hellcat on the Dyno

64DartGTinAZ said

Maybe when he got 930 it was on a different brand of dyno?

Differences between dyno #'s: Dynojet, Dynapack, Mustang.

Click to expand...

Maybe he took the advertised numbers from GM, opened a catalog, found a supercharger advertised as adding x number of horsepower and got his math that way.