I'm not overly fond of the Edelbrock AFB clones and have kicked a good many under the workbench over the years. In a single 4bbl application they can be difficult to make work well and some "cobbling" to make them fit like adapter plates and short spacers so the air cleaner base sits all the way down, plus cutting the factory fuel line and running rubber hose/clamps instead of a solid metal line up from the fuel pump.
When you get past all that they are super easy to work on and PLENTY of tuning parts out there. The weighted secondary air flaps can be a show-stopper with some set-ups. They fair a LOT better in dual quad applications, especially on cars with good power to weight ratios and plenty of gear/converter. I've seen many use them with good success and others work on them to the brink of extinction and end up moving on to something else, so for sure not a "home-run" with every application..........Cliff
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https://cliffshighperformance.com/
73 Ventura, SOLD 455, 3740lbs, 11.30's at 120mph, 1977 Pontiac Q-jet, HO intake, HEI, 10" converter, 3.42 gears, DOT's, 7.20's at 96mph and still WAY under the roll bar rule. Best ET to date 7.18 at 97MPH (1/8th mile),
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