Stretch bolts?

[pbureau@attbi.com (pbureau@attbi.com)]

well I always use new ones, no matter what anyone says.

Jonas, I have a set about 80K on them if you want to buy 
my old ones 
--
====
ATS - Patrick Bureau
1985 8v Euro GTX 3A/JH Project
--------------------------------
1988 16v FOR SALE : 1500.00$ 
all details at 
http://longcoeur.com/scirocco/atsca
rs/88rocco/index.html
> Jonas-
>   I have to agree with you on the lack of definite "proof" one way or the
> other.  Someone, Meze I think, mentioned experimenting with some head bolts
> he has, to determine if the bolt actually elongates during the standard
> tightening method.  I hope he does it and reports back.....
>  You are also correct  when you say new bolts are worth the few extra $$.  I
> would never advocate saving pennies at the risk of multi-dollar failure.  If
> accepting the belief that the bolts in question are only good for one use
> will save someone from a fragged engine/clutch/etc, then I'm all for letting
> them believe it.
> No, I didn't realize I'd taken this off-list.  With your permission, I'll
> return it.  If seeing our (sometimes differing) opinions can help someone in
> some way, well, that's what this list is for.
> It's been good  discussing this with you.  Truly.....
> I have no way of scanning the article, but you may be able to read it
> online!  Try www.assemblymag.com , May 2002
> The Fastening feature.
> Later!
> 
> Larry
> 
> >
> > > Jonas-
> > >
> > > --------What is your source?--------
> >
> > Well I must confess that it is only every reputable VW mechanic I've ever
> > spoken to. But I'm still digging to find the info in official VW
> > publications. Stay tuned (pun intended)
> >
> > > ------I, too, trust the engineers, and use the procedure they have
> > > developed.  From the facts that I know of, that procedure does not
> > > permanetly stretch our bolts-------
> >
> > Do you have any facts beyond the article in "Assembly"? If so then great
> and
> > very interesting, it's just that your original post made it sound like you
> > read the article and based your statement on it's generalized fastener
> > procedures. I'd love to see someone test the VW bolts to see weather or
> not
> > they reach the yield point. That would settle it.
> >
> > >> IMHO it would be unwise to dismiss the clear directions from VW based
> on
> > >> the findings in "ASSEMBLY" magazine
> >
> > >> $30 is not worth it for me.
> > >
> > > ------I have no problem with your position. It's probably not worth it
> to me
> > > either!  All I am saying is that there is very compelling evidence that
> the
> > > aforementioned bolts (head, pressure plate, rod, oh, and crank
> sprocket)are
> > > NOT tightened past their yield point and are perfectly re-useable, if
> you
> > > are so inclined.  Peace!------   Larry  sandiego16V
> >
> > I feel that the question is unsettled, at best. I certainly have _zero_
> > physical evidence, and common belief could be very wrong. You raise a good
> > question in "Are the VW 12point head bolt, rod bolt and PP bolts true
> > stretch bolts, or can they be reused?" and the topic deserves a gool look.
> >
> > But all I'm saying is that I have not seen any compelling evidence yet
> that
> > they are _not_ stretch bolts. Anecdotal evidence of people doing it
> "without
> > problem" is irrelevant, and I think the article in "Assembly" is _much_
> too
> > generalized to be applied to our situation. It's written from a design
> > aspect, right, not for the average end-user? Maybe you could scan the
> > article, I'd be interested in reading it.
> >
> > The biggest problem that I see with this is that most people on the list
> are
> > looking to save money on their automotive repair, and are in it for the
> long
> > haul. Even if the bolt is tightened past the yield point, it may very well
> > "work" once or twice more, but what happens on the 10th time the bolt is
> > used? Catastrophic failures are a pisser. Head bolts are one thing, but a
> > Pressure plate coming loose at redline would be very ugly.
> >
> > But keep up the good work. Eventually we'll get to the bottom of this.
> Even
> > if we have to pool our money together to buy that $15k tool to do the damn
> > measuring ourselves. -wait- we're Scirocco owners, that'll never happen.
> :-)
> >
> > Jonas
> >
> > PS. Did you intend to bring this off list, or was that a mistake. I have
> no
> > problem with either way, but some people on the list may benefit from our
> > conversation. I've left it off list for now, in case that was your intent,
> > but feel free to cc the list on any future replies, if you want.
> >
> >
> 
> 
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