Nice writeup
FWIW
Just a couple of notes from my previous install. ('06 M Roady)
My
throttle pedal was more of a soft plastic and I installed the alum pedal over top of it.
I didn't remove anything.
I liked this because it elevated the plane of the peddle making h&t easier.
On the
clutch & brake;
I wedged blocks in behind the pedal AND in front.
That held it in a partially down position to drill the top holes.
Also, I clamped the alum pedals in position and used them as a drilling template.
This after trying the center punch method proved difficult due to the non-flat surface of the pedal under the rubber.
(even with a center punch the drill wants to walk away out of position)
This is is the result.