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    Help with Heat Riser Valve on RH 440 exhaust manifold

    The Heat Riser Valve on my 440 is just loose (ie: no tension). Not sure if it is in the open or closed position. The engine does run hot so I assume it may be closed. From what I understand, this valve is not necessary in a "summer " car so I would like to "wire" it in the open position...
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