Quite a few of them have been made over the years, along with other sport car chassis- corvette, camaro, eagle talon, etc. As long as the body isn't destroyed they can always pull it off the truck frame and put it back on the TA frame. Just hose off the mud first.
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I USED TO HAVE an 85 Camaro 305 4bbl, 90 Firebird V6, 97 Firebird V6 (10 speakers!). Despite the two family vehicles, 3 kids, wife and mortgage, I can finally realize the dream - 88 TA almost all stock... for now.
http://www.cardomain.com/id/untameddave
Wanted this -

, but ended up with this -

for free. Can't argue with free.