I went from a 742 cased 8 3/4 with an Auburn cone sure-grip and 3.55 gear to a Dana 60 with spool and 3.54 gear. Car ran identical to the hundredth despite 50 lbs. weight gain.
'63 Dodge 330 11.19 @ 121 mph Pump gas, n/a, through the mufflers on street tires with 3.54's. 3,600 lbs. 10.01 @ 133mph with a 250 shot of nitrous an a splash of race gas. 1.36 60 ft. 3,700 lbs.
