I need a uniform source of vacuum readings, and directly under the carb is obviously the best place. I think maybe I'll look into standardizing on that location.
Still lots to learn on this dyno testing business...
Jay Brown
1968 Shelby GT 500 Convertible, all aluminum 489" 1030 HP Supercharged FE
1969 XL Convertible, 460
1969 R code Mach 1, 706 HP 511" all aluminum FE, 10.457 @ 127.47, 2005 Drag Week Winner, Naturally Aspirated Big Block
