The 400 will bolt up, but the rest of the things you mentioned will have to be changed.<BR>Driveshaft, mount, but shift mechanism/cable may work. <P>------------------<BR>Roberta<BR>BCA TREASURER 2000-2001<BR>BCA PRESIDENT 1998-2000<BR>BCA VICE PRESIDENT 1997-1998<BR>WEBMASTER<BR>1956 Special 2 door Sedan<BR>1966 Wildcats<BR>1968 GS-400 Convertible 4-speed<BR>1970 GSX Stage 1<BR>1970 Skylark Racecar - 11.26, 118 MPH, 7/22/00<BR>1986 GN, 4800 miles