I have a 70 that I am essentially doing the same thing with the new 6.1 or 6.4, 3" X-Type TTI Exhaust (
http://www.ttiexhaust.com/Midpipes.htm#Xpipes), A/C (
http://www.classicautoair.com/EBody7074.asp), Firm Feel Suspension(
http://www.firmfeel.com/e.htm), QA1's(
http://www.qa1.net/), custom black interior, and CCW's Classic black (
http://www.ccwheel.com/files/gallery.php?id=dodge#a). Street SCCA car full resto. Z06 Corvette Silver Mettalic, with black RT hood and stripes.