[Shotimes] question about holes in head gaskets

[Ron Porter]

Assuming you have the correct gaskets, I would only do it of there isn't an
embossed gasket portion around the holes. If there is, you could lose gasket
strength.

How do the new gaskets compare to the old gaskets? If they are the same,
leave 'em alone.

Ron Porter

-----Original Message-----
From: shotimes-admin@autox.team.net [mailto:shotimes-admin@autox.team.net]
On Behalf Of van Oss
Sent: Monday, January 09, 2006 5:36 PM
To: shotimes@autox.team.net
Subject: [Shotimes] question about holes in head gaskets

Noticed recently that coolant passages (judging by holes in block and heads)

seemed to be oval, whilst holes in the head gasket were circular.  I suppose

enlarging the holes in the gaskets (porting, if you will) would weaken them.

Still, the rather small (1/4'' dia.) round holes in the gasket seemed 
obviously to be a constriction on coolant flow.

Anyone know anything about this?  Is the constriction on coolant flow 
anything to bother about?  Is it possible to enlarge those holes without 
throwing away gasket integrity?

Seems like a question for Hrinsin but I'm having trouble getting 
re-subscribed to TechSHO just now.  Bit of a bother with Topica.

VO 
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