Which issue is that? I don't recall the last one I got saying that, but I could have missed it (I
thought I read it cover to cover
).
Are you sure they didn't mean an air valve secodary type carb like the Carter / Edelbrock? I've seen the 500 CFM EPS Edelbrock recommended for the 250s, but not the Holley type (Holley, BG, Quick Fuel, etc).
As I understand it the 500 Edelbrock / Carter, with the secondary air valve and the enhanced boosters on the primary side (compared to the 600) is supposed to be the hot setup (for a street 4 bbl).
