Six for me. 2bbls and 1bbls are rated by the same procedure, different than 4bbls.
I've experimented with many carbs on my 261 powered 37 Chevy truck.I have a long article coming up in Inliners, but basically the Holley 2 bbls and 4bbls performed better than an equal Carter or Edelbrock.All the non Holley's suffered fron the same problem, a bog whem opening the secondaries no matter how much fiddling was done with air valves and jetting.On a larger better breathing 6 (292 Chevy or 302 GMC),the situation may be different as on a V-8.Some guys like the bog, they think it's pulls better after it clears, but it's actually slower.
