I like 3 degrees down on the pinon with the intake manifold set level. To help with stability coilovers should be spaced wide as possible with the bottom out no more then 20 degrees, I prefer keeping them around 12 to 15 degrees. Speedway Motors has a chart in their catalog (on line and in print) that explains the why's and coil spring rate selection. Couple years back I switched to AFCO coilovers, great quality and selection!!!