Factory Magnum Heads

AdamR said

The T?T heads share very little port and combustion chamber wise with the production Magnums. The R/Ts have a lot in common with the W2s.

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R/T Magnums and W-2s are entirely different animals. Rocker shafts with offset rocker arms vs. stud mounted rockers. Different combustion chambers. Oval intake ports vs. rectangular. Entirely different exhaust ports: