they are definitely not topping out. First thing I checked when I got the 9000's. I have also read a bunch of cal trac tuning threads on multiple forums. Which is why I started with the upper hole being as the consensus is upper hole to start with for radials, lower hole for bias ply slicks, But hell yeah, i'll slap 'em in the lower hole and see if it makes a difference. The preload it seems to be all over the place for different cars. So I figured I'd pick the one flat preload and try from there. My track is only open about once a month, so I may not get this thing sorted till even next year. Unless I make the trek to sea level, I'm sure that will entail everything changing again.