More Wheel Questions...

I'll be picking up a '70 Firebird this weekend, and I have a spare set of 16x8's (I believe) off of my '96 Trans Am sitting around the garage. I know the backspacing is WAY off but was looking into wheel adaptors and was wondering if these would make them fit:

http://www.vbandp.com/detail.aspx?ID=169

Thanks guys. :)