How much to install ladder bars???
What's it actually 60'?
You haven't tried everything, maybe with the stuff that came bolted to the car. Junk shocks... Good shocks make a world of difference.
Read this for some ideas on what works. Joe doesn't like Cal Tracs.... His car only goes 1.47 60's with a bunch more left with nothing fancy.
http://www.forabodiesonly.com/mopar/showthread.php?t=122763