9A Block Decking/Head Milling (Group A Headgasket)

[jason@scirocco.org (Jason)]

Hey Ron,
         I can't answer most of your questions, but I can shed some light 
on the Group A / MotorSports headgasket.

I've been trying to get one for a while.  Breandan got one for his car, and 
it was a Goetze (OE) headgasket with different numbers on it.  I've tried 
everywhere (including calling Federal Mogul/Goetze themselves) and still 
have not been able to find this part.  Maybe someone out there can shed 
some light.

On the packaging and the headgasket, it says:
         30-025327-10
         Made by Goetze
         Audi 10.198.026

That's not a valid Audi part number, and it's not a valid Goetze part 
number.  I did a search on ETKA for all headgaskets used by VW and Audi 
4-cylinders (1.8 - 2.0 liters) and got a list together:

2.0
3A      Audi 2.0        048.103.383B
9A      VW 2.0 16V      048.103.383B

1.8
AEB     1.8T            058.103.383K
JN      Audi 1.8 8V     026.103.383P "Goetze"
PL      1.8 16V 028.103.383P "Goetze"
GX      1.8 8V          026.103.383K

(There are obviously a lot more engines than those 4, but all 4-cylinder 
1.8 or 2.0 motors (Diesel and Gas) use those headgaskets).
None of those appear to be the same as the Goetze number -- so if anyone 
can help, that'd be great.  Otherwise, I guess we can just wait for Potter 
to open back up... and buy it the expensive way.

Jaso




At 11:01 AM 8/22/2002, 'Cheapass' Ron Pieper wrote:
>Hey all,
>
>Anyone have experience on how much I can (practically) deck the block
>and/or mill the head on a 9A 2.0L (assuming I'm using the 2.0L head)?
>
>How much will the CR raise for every, say, 0.005" off either surface?
>How much will I raise the risk of damage if interference should ever
>happen?
>Anyone have sources or experience regarding thinner head gaskets?
>
>Yes, I'm already starting with a 10:1 CR, and detonation is a
>concern...but please don't let that stop you from offering input to the
>above.
>
>TIA,
>
>Ron
>
>=====
>Cheapass Ron
>'87 Scirocco 16Victor
>Pet Peeve du jour:  It's GTI not GTi!!  Read the nameplate!  (US only)
>
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