Hey Guys: wondering if it's worth trying square jetting over useing P.V in front ? have 3 to 3.5 inchs of vacume at idle and am thinking maybe the P.V is closing or partially,has any one seen gains by square jetting,would like to try it in the morning... Jim,

ran a 9.197 at 143.5 mph with 1.260 60fts yesterday....