low hp and torque

He didn't say which tranny he is running , if it's a 727 I'd say he is pretty much spot on for what I here people say those 426 kits run 500+/500+ minus the 21-24% loss from a 727 and your at those numbers .

I though the power loss was 21-24 hp, not percent ... do you still have the link to the article?? . . . . .thnx grant