montess2k, don't give up.
As admin and head of the concepts section and contests, you can chop anything you want.
My winning Banshee started as a Jaguar.
Keep chopping, and don't let the few bad critics get you down.
My only concern when chopping a different brand into a GM product (or really on any chop) is making sure that the donor car is virtually unrecognizable.
Sometimes this works better than other times.
Your Belair chop has just a little too much 300 in it.
By BelAir chop also started as the 300. It's just harder to tell.