[DeTomaso] Oil Leak Fixed. What Torque?

[Larry - Ohio Time]

In the clock world it is not uncommon to see "shouldered screws" for the
same reason.

Larry (no time) - Cleveland



-----Original Message-----
From: DeTomaso [mailto:detomaso-bounces at server.detomasolist.com] On Behalf
Of Joseph F. Byrd, Jr.
Sent: Wednesday, September 14, 2016 4:29 PM
To: 'Pantera Mail List'
Subject: Re: [DeTomaso] Oil Leak Fixed. What Torque?

Calculating torque to provide desired gasket compression was something I
occasionally needed to do in a past life.  However these were large flanges
with special gaskets.  Interesting finding was the torque required to
provide the optimum gasket compression would not provide the bolting force
needed to prevent vibrating loose (or the pieces not being able to provide
structural support).  If the gasket was critical, a compression stop was
added so that the bolt could be torque to their limit without crushing the
gasket

And our "mechanics feel" saying was to torque to the GE procedure (Good
Enough)

Sorry for the ramblings, just reminiscing
Joe

-----Original Message-----
From: DeTomaso [mailto:detomaso-bounces at server.detomasolist.com] On Behalf
Of Larry - Ohio Time
Sent: Wednesday, September 14, 2016 16:03 PM
To: 'Charles McCall'; 'Himes, Terry (397C)'
Cc: detomaso at server.detomasolist.com
Subject: Re: [DeTomaso] Oil Leak Fixed. What Torque?

<< I just tighten so it feels tight without over tightening>>

When I asked a similar question in class the teacher told me use "MF"!


"Mechanic's Feel"....as I was told later.


Larry (got the feeling) - Cleveland



-----Original Message-----
From: DeTomaso [mailto:detomaso-bounces at server.detomasolist.com] On Behalf
Of Charles McCall
Sent: Wednesday, September 14, 2016 3:55 PM
To: Himes, Terry (397C)
Cc: detomaso at server.detomasolist.com
Subject: Re: [DeTomaso] Oil Leak Fixed. What Torque?

Terry -
I can't answer your specific question as to proper torque, but I can offer
some practical experience.

I remove the valve covers every year as I have solid lifters and I
check/adjust the lash once a year. I just tighten so it feels tight without
overtightening - which I realize is neither a Metric nor Standard unit of
measure - and I don't have leaks. I have blue Fel-pro valve covers, which
allow a certain amount of compression. I just tighten it down fairly snug,
by hand, without overtightening and I have never had problems.

On Wed, Sep 14, 2016 at 9:36 PM, Himes, Terry (397C) <
terry.himes at jpl.nasa.gov> wrote:

>    Hey Pantera Guru's,
>    I finally got to my Pantera last night. (work is getting in the way of
>    my fun!!)
>    Simple fix.  ALL my valve cover bolts were loose.  Every one of them.
>    I tightened them all
>    but didn't want to over tighten them.  Anyone know what the correct
>    torque should be?
>    I have roller rockers and the taller Ford Racing valve covers for
>    clearance.
>    Your thoughts?
>    Terry
>
>    "A Purple Heart proves you were smart enough to hatch a plan,
>
>     stupid enough to try it and lucky enough to survive!"
>
>    Terry W. Himes
>
>    JPL Jet Propulsion Laboratory
>
>    Dawn Spacecraft Team
>
>    Rosetta Sequence Team Lead
>
>    Phone: (818) 393-6261
>
>    Cell:     (818) 653-8213
>
>    Fax:     (818) 393-3147
>
>    [1]thimes at jpl.nasa.gov
>
> References
>
>    1. mailto:thimes at jpl.nasa.gov
>
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