1/4 mile times with 3.23 gear

K.O. SWINGER said
1969 spec 340 m1 single plane 850 thermoquad 509 purple shaft etc 13.1 in the quarter 323 rear end with 24 and 1/2 in tires

This same setup with 430 gears and drag radials with the addition of pinion snubber has done a best of 12. 35.