yesterday at Pamona the NHRA stock class winner was a 1969 340 Dart in E/SA = 10.7 seconds with - STOCK : 625 AVS carb, intake, rockers, heads, compression ratio (blueprinted), stock cam lift, weight, 9" slick. I run 11.6 with 360 cubes and 2.5" Edelbrock mufflers. an $ 650. ? carb is worth what, .10 seconds?