I have standard pistons with fancy rings and bearings.  The U67 2 litre head 
has had the combustion chamber ported slightly and I'm running a 2mm Copper 
head gasket.  My guess would be somewhere between 7.0:1 and 7.5:1
I'm running a fair intercooler so I wonder what boost I can run without 
pinging??????????
Anyone got any ideas????????

Andy.



>From: [EMAIL PROTECTED]
>Reply-To: [EMAIL PROTECTED]
>To: [EMAIL PROTECTED]
>Subject: Re: Yippie!
>Date: Thu, 14 Jun 2001 09:50:09 +1000
>
>
>
>Andy what compression are you running?
>Ryan
>
>
>
>
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