exhaust, head work, intake, cam, windage tray, blower(turbo or super charge), different carb, electric water pump, electric fan, ......could go on for a while. The things you want to do are increase the ability for the engine to breath and reduce the drag on the engine coused by the accessories. you could just add gears to the rear to make it feel like you have more power.
68 fastback, 390 4V premium fuel
80 5.0 hatch, just finished
91 5.0 coupe, daily driver
84 RamCharger 4x4 extreme mudsliger and winter junker
<P ID="edit"><FONT SIZE=-1>Edited by 390fastback on 04/09/01 03:11 PM (server time).</FONT></P>