Joe,

I always advised my customers to get a valve job done with new stainless  
valves even on a new car.
The issue is that OEM VW valves were made in two pieces, the head and stem  
were electron beam welded and machined to final shape.

I use Manley stainless valves. They are one piece and strong. That does not 
 mean they can not ever break but more rare than with stock. Vale care is  
critical in VW's. 

Another thing to remember is these heads were designed for fan forced air  
cooling from the top center of the head. Trying to cool in the horizontal is 
 extremely difficult. The rear cylinders particularly the exhaust side 
don't get  an equal share of the airflow in horizontal cooling.

John
El Paso




In a message dated 8/3/2015 6:26:15 A.M. Mountain Daylight Time,  
krnet at list.krnet.org writes:



Stainless steel exaust valves?
I will look  into getting some for my plane.  Is "seating" the stainless 
steel valves  the same as other valves?   


Joe Nunley CW2 US Army  RetiredBaker JROTC Instructor Baker  Florida 
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