Posted by Craig Selvey (IP: 209.212.217.51) on July 04, 2000 at 14:56:11:
I know somebody asked this awhile back, and I finally got around to looking.
I compared my factory V-8/3-speed crossmember to a V-8/C-4 crossmember. Both were off the car. They are EXACTLY the same. I hope this helps whomever it was.