How much do the corvette servo's help out i already have a shift kit and from 1-2 it barks the tires when im on it half way or more... how much do they help out what will i notice... thanks

------------------
86 Irocz, 305 bored 40 over, 211/221 comp cam,paw rocker arms 1.5,10:1 comp., stock heads, 100 shot of nitrous,

soon to be airflow research 190 cc heads, 373 gears to replace 273, and induction work

 

A Corvette servo will put more umph into the 1-2, 3-4 shifts. If your car already barks then the addition of the servo will really make a firm 1-2 shift. My car has one and at WOT the tires don't bark, they break loose and everything gets a little wild for a minute.