That, friends, is about the limit of the ol' C-26 manifold and its pair of four-pots. The payoff? Somewhere in the neighborhood or 400 rumpity horsepower, Hooker tells us, and probably a similar torque level. Of course, carb tuning would be a must, and though this is something Edelbrock can help with (the company will even send out jets and metering rods), chances are that there'll be a lot of trial and error. The most critical is that a dual-quad setup with this cam needs to be atop a more aggressive block, something along the lines of a ZZ4 and its 9.5:1 compression ratio. Edelbrock doesn't have power numbers for a combo with this bumpstick, though R&D man Curt Hooker made a couple of suggestions. The other cam that Edelbrock recommends with this manifold/carb combo is a Torker-Plus unit, which is more aggressive: 0.488-inch lift (intake and exhaust) and 232/234 degrees of duration, again, both at 0.050-inch lift.
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