[Vwdiesel] 12mm head on 11mm shortblock

Dan Sloan dan.sloan at DRAKE.EDU
Thu May 15 09:29:50 PDT 2008


Loren,

Does the spacer align the head?  My concern would be the 11mm bolts rattling
around in the 12mm holes...

--Dan

-----Original Message-----
From: vwdiesel-bounces at vwfans.com [mailto:vwdiesel-bounces at vwfans.com] On
Behalf Of LBaird119 at aol.com
Sent: Thursday, May 15, 2008 10:20 AM
To: vwdiesel at vwfans.com
Subject: Re: [Vwdiesel] 12mm head on 11mm shortblock

In a message dated 5/15/2008 6:55:03 AM Pacific Daylight Time, 
dan.sloan at DRAKE.EDU writes:

> 1.     is it possible to mount my existing 12mm head?  Is it worth taking
> to a machine shop and having them drill and tap the block? 
> 

  It's possible to put a 12mm bolt head on an 11mm block.  You 
have to put a spacer in the center oil return hole in the block I 
believe  You CAN'T drill out the block for the stretch bolts!  They 
are enough prone to cracking if you have ANYTHING in the holes 
during assembly.  No way there's even close to enough metal to 
tap out larger and longer.
     Loren


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