Ford performance cars vs holden performance cars?

[RAPID_BA]

Excluding which cars are actually quicker, ive always had a bit of a gripe with holden and its performance offerings,

For instance the hsv cars have traditionally had the exact same motor as the ss or executive commodore with a different tune and maybe an intake or extractors, essentially the same hardware with minor upgrade, look at say a vx ls1 and a vz hsv 285kw? Same thing under the hood different tune.

Ford on the other hand have had different cams, intake manifolds, compression, heads and bolt ons on their performance offerings, a bit more exclusive and harder to copy cat. Over the past years cars with very different motors to their basic models, look at GT from eb-el and then ba-fg, look at t- series and even xr8 has different hardware to more basic models?

Does the ford performance offerings over the years seem more exclusive than the holden counterparts? (irrespective of whos quicker)