[Vwdiesel] vw 068 103 373M cylinder head

[ken1]

Well, found that the exhaust valve has a part number of 068 109 611C and that stellite is non-magnetic. The definition of stellite states that it is a coating that is harder than what it coats.
The intake valve has no part number. Thanks, Rudy. 
----- Original Message -----
From: Rudy <petersenrudy at hotmail.com>
To: vwdiesel at vwfans.com
Sent: Sat, 6 Jun 2009 13:56:55 -0400 (EDT)
Subject: Re: [Vwdiesel] vw 068 103 373M cylinder head

I have 2 84 Turbo Diesel Jetta's, both are original and both have 068 103
373E casting Heads, I also have an 85 TD, MF Code Mechanical Engine and the
Head Casting I think is M.  Not 100% sure but I'll check.

Not Sodium Filled, they're Stellite Coated.  Not sure if that would make
them non magnetic though.

Rudy 

-----Original Message-----
From: vwdiesel-bounces at vwfans.com [mailto:vwdiesel-bounces at vwfans.com] On
Behalf Of ken1
Sent: Saturday, June 06, 2009 12:00 AM
To: dlist
Subject: [Vwdiesel] vw 068 103 373M cylinder head

I would like someone to tell me the significance of the following info
displayed on a couple of 1/6L heads that I have seen. 
One head has the part number of 068 103 373M. Each of the prechamber cups
have a dot or peen mark at about 8 o'clock.

The other head, 068 103 373E, has a peened/punch mark on the head on each
side of the prechamber cup at 9 o'clock and 3 o'clock.

I have not been able to check other heads, but I found on another head, 068
103 373M that when I put a magnet on the base of the exhaust valve and got
no attraction, but when I touched the magnet to the intake valve, it was
attracted. Does this mean that the exhaust valve is a non-magnetic alloy or
that the valve is sodium filled?
ken
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