what can be done to lower 60ft time?

Lets start with the rear tires & suspension in your car....tell us about it.

Next, tell us about your front tires and suspension.

Now tell us about the engine, it's possible or known power output
"..........................." Tranny and rear gear (If not allready mentioned)

From these known things, help should be easy to suggest. The been there and done that crew of like/similar or used to have it builds can help you alot from there.