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Thanks! I really don't want to have to drop the exhaust "H" pipe and take off the manifold. Do you know if the valve is open when it is turned to the right or left? Thanks again.
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...