Originally Posted by Däs Schmoo

I would be more worried about how much meat the flywheel still has on it instead of the weight. I have a 8.8 lb in mine and I don't think they could ever reduce a stock flywheel to that weight and still have it structurally sound.

If you don't think it will hold up structurally, don't use it. Otherwise, it should be fine, weight-wise.