stani1029
the lightened flywheel makes the car much more responsive, mine was on my super s for 6yrs (unbalanced)
http://i44.photobucket.com/albums/f47/TomEA/pict0019-1.jpg
the cams should make a big difference
swiper
the one in the pic is 3kg on our bathroom scales,( might be a bit inaccurate tho !)
i balanced it crudely with a bearing in the middle, and chalked it btw
life,s too short for perfection
I had it done on an old mini i had years ago, it made a lot of difference on acceleration, it picked up a hell of a lot faster, it did however have an adverse effect though, there was heavier engine braking.