Can I get a /6 in the 7's?

I know it seems like a stretch, BUT I've gone waaaay out of the box here. Making the weight really isn't that difficult using the approach I've taken with this. If I really wanted to get nutty, there is probably another 25 or so pounds worth of trimmings that could come off with no ill effects. Of course, and aluminum block would really make a dent in this thing. That may be phase two.

the alum blocks have head sealing issues i thought.

what about safety? would this thing pass tech at a race track?