/6 Torsion bars. I have my front end right down on the bump stops. That gives me 5" of front end travel which seems to work good for my power level.
Also I need to have the drivers side a little tighter so that the front comes up even.
The E.T. on the board is for 1/4 mile after I had already backed off the throttle at the 8th mile cones. 60 ft. was 1.38 and 8th mile E.T. was 6.38 @106.6mph
Here is an example of front end travel with 8th mile data on the scoreboard:
