school me on a 5.9 magnum motor.

abodyjoe said

that would be nice.. wonder what their turn around time is.. shipping may be expensive too..

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Shipping a fortune. Hughes sells new Magnum heads prob sufficient cast iron around ports for 340 manifolds. So you can spend your way out of head aches buy new Magnum heads LA intake bolt pattern likely 340 exhaust bolts on no adapters improved castings that don't crack quench chambers erc etc etc etc....