There are some pictures of a tj 78 and a wrangler 94 havin a BIG BLUCK CHEVY (the engine in the black one has been converted into 505)

http://www.omdbbab.com/up/pic/28-08-1424-003.jpg
http://www.omdbbab.com/up/pic/mr0138.jpg

nice lookin' jeeps.:8