Hey all-  Now that the drag season is over (here at least) I'm looking at making some improvements over the winter, including adjustable upper control arms.  I know some gains can be had in getting the pinion adjusted properly, but what should I be looking for? 
 
Current setup includes: 
12 bolt posi, 4.56 gears
Boxed lower arms, stock uppers
no-hop bars
73/30 shocks on the rear
rear sway bar
rear air bags, right side at 10 psi, left side empty
 
Currently running 1.74 60 foot times, looking for 1.50s
 
Devin

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