Easily in the mid 6s 1/8 mile and 600 hp.. my 40 over 360 Magnum at 10-1 compression for pump gas , W2 heads , Victor W2 intake, 750 hp and 585/595 lift cam ,1 7/8 headers , went 6.90s ( 11.0s 1/4 mile at 119 ) and made 527 hp and 467 tq , 3,150 lb ( w driver ) 68 Dart , 8 inch converter, 904, 4.30 gear