valve guides

Alan Pritchard alan.pritchard at rm-electrical.com
Fri May 19 12:12:14 EDT 2006


Sounds about right
Generally speaking the "hole" is made to a standard size and the shaft
machined to suit (ie undersize) however when reaming the hole size can
be varied slightly depending on lubricant used and reaming speeds etc...
But a simple hand ream with a thin oil should produce a suitable result
(going from engineering knowledge, not engine building lol)


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Alan Pritchard
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-----Original Message-----

From: quattro-bounces at audifans.com [mailto:quattro-bounces at audifans.com]
On Behalf Of Duncan Thomson
Sent: Friday, May 19, 2006 6:27 AM
To: quattro at audifans.com
Subject: valve guides

Guys,

Does anyone know what size the valve guides for a KV engine (2226cc) 
need to be reamed to once fitted?
Valve stems seem to be around 7.96mm, so I'm guessing 8mm would be 
right... can anyone confirm this for me?

Cheers
Duncan
'86 CQ
'88 90Q

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