best hi flow ex manifold/drivers side

cosgig said

I don’t believe any of those manifolds will fit into an early A body and clear the steering shaft and frame rail on the drivers side. Maybe a post from @Treblig can shed some light on this.

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I fit an early 340 exhaust manifold on the driver's side by switching to a power steering column and using an adapter (Firm Feel, etc) to hook it to the manual steering box. That put the joint far enough back to clear the manifold.

I ran the outlet pipe between the torsion bar and the frame. Two and a quarter inch pipe. Barely fit, but it did. Larger pipe probably would not.

Have no idea if a power steering box would work with 340 manifolds. (I have TTI headers now.)