Most serious anglers will have both casting and spinning tackle in their arsenal
The secondary spool tensioner is located on the left side of the reel
My ABUs are rated factory at 15#s of drag and that should increase to around 18#s according to my research on these carbon washers
Though, in our observations, some of the best braking systems utilize a combination of centrifuge, magnets, and cast control tension
Of all the reels that I have tested over the last few seasons the Inception SZ is the one that drew the most comments from nearby anglers
Reel schematics are readily available for those reels, so if you've had it apart, that might be the second thing to check, after making sure it's not the drag not being adjusted tight enough