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Re: <All> Head bolt torque tips
Interesting note. Copyright was 1994. I have always considered a
"re-torque" to be a procedure where I installed the head, torqued it,
ran the engine, let it cool off fully, then went over the torque one
more time.
I understand now that the procedure is not appropriate for the Audi
engines. I would tend to use it on most aluminum heads, because
experience tells me that they can have substantial changes in torque
after being run until warm.
In my old 1200-series Fiat, if you didn't re-torque the head in the
manner described above, you could just order a new head gasket,
because it would blow in precisely 500 miles. I have unfortunately
proven it more than once.....
Best.
> From: Joe Cargal <jcargal@worldnet.att.net>
> Subject: Re: <All> Head bolt torque tips
> It seems that you picked up a really old copy of Hot Rod. I really
> don't know about the washer under the head bolt (although Carroll
> Smith recommends a washer under the head of every bolt, just to show
> that you care if nothing else), but your head gasket procedure is a
> thing of the dark ages...especially if you are using Fel-Pro head
> gaskets. The procedure that you describe is a "retorque". If you
> look at any Fel-Pro Blue head gasket, it will state right on the
> gasket "no retorque".
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