Low 1.7's high 1.6's is about all you should expect to get. Some cars will never achieve that unless you are willing to experiment with different converters and such.

My car when it ran 7.90-8.10 would 60 foot 1.65-1.69ish


-Dustin
67 Dart, 9 second, 392" G3 Hemi
68 Barracuda 340 F/SA