So can the 3 circuit ones like mine be tuned to perform like the 2 circuit carbs ? I've read the extra circuit can work well enough if right. All i've done is jet and set mixture to my A/F gauge. If you were closer i'd give you a whirl but not untill i saw some on track results from others. Mick
69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200# best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft best 60ft 1.36