Here are my numbers...69 GTX 3550lbs with driver. 540 inch hemi 13.1 compression. Stage V replacement heads, Stage V intake with 2 770 cfm vacuum carbs. 730 solid roller 270@50. Glide with nitrous converter, dana 4.56 gears. Hoosier 29 x12 slicks. Torsion bar front suspension, Calvert springs bars and shocks. It made 631 RWHP in 86 degree 52% humidity warehouse. the next dyno pull 45 minutes later was 622 hp in 91 degree warehouse with 47% humidity Last outing at Palm Beach in 55 degree weather, leaving off trans brake. 60 Ft 1.314 330 3.840 1/8 5.994 MPH 113.41 1000 7.879 1/4 9.496 MPH 138.53 Next pass was a hair slower but over 139 mph. cant wait to mount a bottle and hit the spray.