i think he means n/a.if the speed were to stay in stock form, it is possible for sure. i'm sure with the right tuning and an engine build you can get into the 300whp area with the V6. would just take a lot of $$. but depends on what you mean by "well tuned", cause a turbo on the V6 could make short work of a stock speed as well.
Okay Chico.....let's put this shit into perspective. I am tired of messing around.
Mazdaspeed6 concept never gave a crap about the precious 3.0 liter engine for any of it's concepts...There is No "definite" tuning solution for a V6 turbo, because of the retarded ECU, and whatever happened to your Supercharger product??? Collapsed...It's all about the Mazdaspeed6, and how the Mazdaspeed 6 will own a V6 everytime, in Everyway...From a Roll, on the track, from the stop light on the street...., Any situation you can think of...the V6 is toast.
Sorry about your dang luck