Define "improve." There are kits to shorten the throw, but they make
shifting stiffer, and not everyone considers that a net improvement. A
Voodoo shift knob offers about half the travel-reduction effect, for a
lot less money; it also feels reeeeally good in your hand. Using Redline
MTL as the transmission lube delivers the most improvement for many
owners. Cheap, and easy to install, too.

<outrageous>
If you have a 6-speed, you might swap in a 5-speed instead. Most folks
feel they shift a lot more smoothly.
</outrageous>

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Lanny Chambers
'94C, St. Louis
http://www.hummingbirds.net/alignment.html