[Vwdiesel] cylinder bored too much by shop. now what??

[James Hansen]

This is the part where it gets easy, because it just became the shop's 
problem.  I think Kolbenschmidt has the piston for you. :-)
http://www.kspg-ag.de/index.php?fid=1095&lang=3

Oh, and the tolerances on a race prepped block are even tighter Loren. 
try 0.003 at the top, 0.005 at the bottom, with a 1.2mm compression ring.
-james

Matthew wrote:
> I took an AAZ block to the local machine shop to be
> bored out. I provided the oversized piston set and
> told them the engine type, model, etc.  I get it back
> and the bore is ~10/1000" bigger than what the VW book
> (not bentley, but the VW ahu/1z/aaz book) says it
> should be.  Now what?  Do i worry? my concern is that
> with a high compression engine, the bore makes a BIG
> difference. The piston i got were the 2nd oversize, so
> that was my last chance at this. Next step are sleeves
> i guess. suggestions? i have not talked with the shop
> yet.
> matt
> 
> 
> "may the four winds blow you safely home"
> 
> 
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