More compression worth the cost?

if i were to spray it i would go straight to 250 and shoot for high tens. ha ha ha. i gotta catch the old man. hes got a 71 demon street car (drives 45 miles each way to the track) that runs 10.70 in full street trim.[ame=http://s370.photobucket.com/albums/oo147/johnnydart_photo/dads%20car/?action=view&current=dadscar003.mp4][/ame]