I'm using a Allied 289 (thick street) slabside body. The body I have was on CSX-2575 from 1966 till 1998 when I restored it. I had to build a OEM/AC bird cage chassis the body has no support other than the birdcage. So far I've only found 3 bodies mine Cobra Chuck and one in Michigan.
Mr. Bruce made molds from my body and is reproducing them Now & FIA 289 bodies...