Originally Posted by Silver Surfer
Because the Qjet is a spread bore carb. It has the small primaries for street driving and extra large vacuum secondaries for high RPM. Best of both worlds. I don't know why square bore carbs are the norm and preferred.
I completely agree even though I'm a Holley fan. Q-jet is plenty enough for most of your needs. Decent fuel mileage and its a variable airflow carb. I use a Q-jet whenever possible. People who say they are junk just don't have the patience to understand them. They are actually pretty simple when you get past the linkage issues,lol.