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Date:         Thu, 25 Aug 2011 19:51:01 -0400
Reply-To:     Dennis Haynes <d23haynes57@HOTMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Dennis Haynes <d23haynes57@HOTMAIL.COM>
Subject:      Re: Thread locker on rod bolts?
Comments: To: Tom Lambas <twlambas@gmail.com>
In-Reply-To:  <CAF7dTYX80Dk6GzcAh1qqzUR-_UTXoA9wLaQk+Bw+q3HGU2a6Og@mail.gmail.com>
Content-Type: text/plain; charset="US-ASCII"

http://www.enginebuildermag.com/Article/2343/threaded_fasteners_torquetoyiel d_and_torquetoangle.aspx

Another good link.

Dennis

From: Tom Lambas [mailto:twlambas@gmail.com] Sent: Thursday, August 25, 2011 9:39 AM To: Dennis Haynes Cc: vanagon@gerry.vanagon.com Subject: Re: Thread locker on rod bolts?

They're used, The ones that go with the rod with the notch looked like they had peen marks. The rods all feel fine on the crankshaft. Nice and smooth, clearances good.

On Tue, Aug 23, 2011 at 10:56 PM, Dennis Haynes <d23haynes57@hotmail.com> wrote:

Are the nuts new or used? I would think if they are new they should all match.

Dennis

-----Original Message----- From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of Tom Lambas

Sent: Tuesday, August 23, 2011 2:29 PM

To: vanagon@GERRY.VANAGON.COM Subject: Re: Thread locker on rod bolts?

Ok, so I spoke with someone at Van Cafe and here's the scoop. Yes it would be better if the shop they use always supplied a cosmetically matched set, but it is not always practical for them to do so. They are matched by weight and do not have stretch bolts. I'm satisfied with their explanation. The quality of the machine work / rebush looks great!

Cheers, Tom

On Tue, Aug 23, 2011 at 6:44 AM, Dennis Haynes <d23haynes57@hotmail.com>wrote:

> Of course not everything you're told or read is correct. Not even from me! > But seriously VW and many other manufacturers use torque to yield or > the torque angle method to actually make for a stronger, more > consistent connection that can better compensate for thermal expansion. > > Dennis > > -----Original Message----- > From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On > Behalf Of Scott Daniel - Turbovans > Sent: Tuesday, August 23, 2011 12:03 AM > To: vanagon@GERRY.VANAGON.COM > Subject: Re: Thread locker on rod bolts? > > I have been told that it is better to use 1.9 waterboxer rod bolts in > any waterboxer engine, as they are not stretch type, like 2.1 ones are. > > Scott > > ----- Original Message ----- > From: "Tom Lambas" <twlambas@GMAIL.COM> > To: <vanagon@GERRY.VANAGON.COM> > Sent: Monday, August 22, 2011 7:50 PM > Subject: Re: Thread locker on rod bolts? > > > > I'm guessing the 1.9 nut has the shoulder so it can be peened into > > the notch of the older rods. All but one pair of the nuts that came > > on the assembled rods has the shoulder (one pair doesn't). I'm > > going with the nuts that came installed on each corresponding rod. I > > can't see that it would cause problem. I'll see what Van Cafe has to > > say about it tomorrow. > > > > Thanks, > > > > Tom > > > > On Mon, Aug 22, 2011 at 8:11 PM, Dennis Haynes > > <d23haynes57@hotmail.com>wrote: > > > >> According to my old version of ETKA, both engines use connecting > >> rod set part # 025198401A. However the 1.9 uses rod bolt 113105425B > >> and nut 113105427. The 2.1 uses bolt 025105425A and nut 056105427. > >> > >> > >> > >> Dennis > >> > >> > >> > >> From: Tom Lambas [mailto:twlambas@gmail.com] > >> Sent: Monday, August 22, 2011 8:45 PM > >> To: Dennis Haynes > >> Cc: vanagon@gerry.vanagon.com > >> Subject: Re: Thread locker on rod bolts? > >> > >> > >> > >> The bolts all look the same - 1.9 type I presume. > >> Per Van Cafe I torqued the nuts all down to 33 lbs. > >> > >> Tom > >> > >> On Mon, Aug 22, 2011 at 6:29 PM, Dennis Haynes > >> <d23haynes57@hotmail.com> > >> wrote: > >> > >> If the nuts are mixed, what about the bolts? Sounds like you have a > >> 1.9 and > >> 2.1 mixed set. Common from some of the mass rebuilders. I love > >> getting mixed sets of brake calipers! > >> > >> > >> Dennis > >> > >> -----Original Message----- > >> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On > >> Behalf Of Tom Lambas > >> > >> Sent: Monday, August 22, 2011 6:17 PM > >> > >> To: vanagon@GERRY.VANAGON.COM > >> > >> Subject: Re: Thread locker on rod bolts? > >> > >> > >> Thanks Dennis, > >> > >> I decided not to use threadlocker. Removeable stuff was on advice > >> of FLAPS guy. > >> > >> As an aside, one of the rods I got from Van Cafe has the divot for > >> peening the shoulder of the rod nut into it, and the rest don't. > >> Also one set of nuts (for one cap) has no shoulder. > >> Maybe this helps them "balance" the set. > >> Thoughts anyone? > >> > >> Tom L. > >> > >> On Mon, Aug 22, 2011 at 4:45 PM, Dennis Haynes > >> <d23haynes57@hotmail.com>wrote: > >> > >> > If you're going to use a thread locker you want the strong stuff > >> > there. Why even consider removable? Call Loctite and get the new > >> > torque specs for that application. If the Loctite should do > >> > anything at all the connection has already failed. > >> > > >> > Dennis > >> > > >> > -----Original Message----- > >> > From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On > >> > Behalf Of Tom Lambas > >> > Sent: Monday, August 22, 2011 1:27 PM > >> > To: vanagon@GERRY.VANAGON.COM > >> > Subject: Thread locker on rod bolts? > >> > > >> > We'll, I'm back from summer travel and getting back to my 2.1 WBX > >> rebuild. > >> > > >> > I'm installing Rods from Van Cafe. Should I use some removable > >> > thread locker on the rod bolt/nut? > >> > > >> > Thanks, Tom > >> > > >> > > >> >


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