Aluminum head re-torque

I recently bought a set of new Edelbrock heads for my '74 440 Cuda and I've had some adventures getting the stock exhaust manifold studs and sleeve nuts out of the stock exhaust manifolds.
The rear most sleeve nut on the driver's side exhaust manifold has caused me to have to remove the driver's side motor mount bolt and jack the engine up to get the sleeve nut head away from the steering column far enough to get a wrench on it.
I have to remove both exhaust manifolds completely to get to...

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Author: greatscot3