My quick fuel carbs on the 572 Hemi have annulars on the primaries and downlegs on the secondary's: quick off the line and lots of air flow when the secondary's are open. Spec'd out by quickfuel. Tim

1941 Taylorcraft
1968 Charger
1994 Wrangler
1998 Wrangler
2008 Kia Rio
2017 Jetta

I didn't do 4 years and 9 months of Graduate School to be called Mister!