http://us.st11.yimg.com/us.st.yimg.com/I/p..._1971_119686474

Assuming you shifter is this setup.

http://us.st11.yimg.com/us.st.yimg.com/I/p..._1971_119713139

remove the top 4-bolts and take the shifter out. Look carefully and you will notice some springs. Those are the reason the shifter 'dances' while driving

http://phase2motorsports.stores.yaho...ksshspkit.html

http://us.st11.yimg.com/us.st.yimg.com/I/p...s_1971_42742199

http://www.aerodyne.net/avante/avante_otherparts.htm

the link above show another upgrade. switching over to metal clips/collars. It doesn't shorten the throw. But it certainly is another way so solidify the feel of your shifter