cast iron heads vs aluminum for stroked 340

I'm also thinking that the dual plane AirGap is the way to go if you want all the torque you can get down low. If you look at the MRL build as referenced to in post #15 of this thread I think you will find that the major difference in the torque down low in post #13 will be the intake manifold. Our engine was using the Edelbrock Super Victor which is a very large plenum and runner single plane.

We used the Super Victor to tame the bottom of the rpm range, yet even with the 3.23 gears it still blows the tires off in every gear when you get on it. Until the owner can get a suspension under the car it's a good thing that the engine is easy to control, you just cannot use a lot of throttle.