Did you pump have a babbit (silver) or bronze pump bushing. The babbit is softer and easier on converter snouts as far as wear. Doug
Bronze. ...and a friend clued me in about fhe babbit bearing.
'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.