[V8] Retorqueing heads

[Paul Jager]

For sure it's not a head bolt problem.

It's a sealing problem. Force of oil pressure v.s. surface area for the
seal. There is that small dia. oil pipe rear drivers, front side passenger
at the end of the head.

Reducing the clearance of this gap between head and block, by compressing
the head gasket a bit more you reduce but not eliminate the flow. That's
all. A workaround we are talking here to make things more liveable.

The head gasket won't blow and will be fine around all other sealing points.




-----Original Message-----
From: v8-bounces at audifans.com [mailto:v8-bounces at audifans.com]On Behalf
Of QSHIPQ at aol.com
Sent: May 16, 2008 11:55 AM
To: dag.boesterud at consulgranada.net; V8 at audifans.com
Subject: Re: [V8] Retorqueing heads



There is a really good thread on head bolt torque and torque to yield bolts
on the Scar list.  I'll try to dig it up.  I've serviced plenty of v8,
torquing the headbolts to factory spec, and have had no problem.  The bolt
is
stretching towards the yield point before you get to the second 90  turn.
IIRC
that translates to like 83-86lb feet (amazingly what ARP calls  for their
head
studs).  I just don't see going to the breaking point of the  yield spec
accomplishing what you are looking to do.  If you really think  it's a bolt
clamping
issue, put ARP's in it.  I still argue, it's not  a head bolt generated
problem.

my .02

Scott J
In a message dated 5/16/2008 11:56:15 A.M. Central Daylight Time,
dag.boesterud at consulgranada.net writes:

If that  were the case, wouldn't the head gasket blow? The car is leaking
oil
in small  amounts, and it seems that lots of other people have this
problem.

/Dag






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