No sure what's in a Holley Systemax I package but when I was running my Powerdyne with only 6lbs of boost (only saw 4.5psi), 24# injectors, and the rest of the mods in my sig, I made 380.7rwhp/367.9rwtq SAE corrected. On a not so nice day (hot nasty day), I ran a best of 13.48@111.7
