I know this has been discussed, but most of the discussions I found are years old.
Feel free to throw things at me but this is the situation.
I am working my way through restoring an RSP Cooper with 22K miles. I have now reached the engine bay, and am trying to decide what to do while the engine bay is pretty empty (don't know if i will remove engine and subframe but it does not look necessary).
I have the manifold off and will box it so the car can be returned to standard someday, but until that day my plan is this:
Solid mounts on turret and floor.
Improved manifold and exhaust.
and then, a bit more power retaining standard cam, gearbox and brakes
Option 1 is a supercharger from Mini speed. I can't find much feedback on what it's like but it seems a good kit. The advantage is it is not to stressful on the engine and can easily be removed to revert to standard. Cost c£1,950.
Option 2 is the official John Cooper kit from Mini sport, includes exhaust system etc, but would probably never be removed. Cost c£3,400
Bearing in mind it is a low milage car in good nic and probably worth most in standard form, and will be a keeper, I would love any feedback or ideas.
Many thanks
Ed