Best ET
New member today. 1970 383 dart. Mild rebuild, 9.5:1, 484 purple shaft, 750 vacuum holley, edelbrock air gap, 1 3/4 headers dinged all to hell to fit, stock 516 heads(the worst ones), $30 used trans and stock converter. 2.23 60' 13.44 at 103 at Palmdale, 3000 foot altitude on pump gas bouncing of the rev limiter for the last 200 feet.