[Vwdiesel] NA exhaust valves for a TD head?

Rudy Petersen petersenrudy at hotmail.com
Thu Apr 7 13:21:24 EDT 2005

Do you know how to identify these heads?


> -----Original Message-----
> From: vwdiesel-bounces at vwfans.com 
> [mailto:vwdiesel-bounces at vwfans.com] On Behalf Of Tim Hicks
> Sent: Thursday, April 07, 2005 10:12 AM
> To: vwdiesel at vwfans.com
> Subject: [Vwdiesel] NA exhaust valves for a TD head?
> The non-turbo head is cast in aluminum-alloy. The Turbo has a 
> stronger, sodium-injected alloy. Different materials are also 
> used for the Turbo's valve seats, the pre-chambers and the 
> turbos valves made of a special metal called Resistal and 
> the exhaust valves are reinforced by a plasma spray during 
> manufacturing process.
> Tim
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