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Author Topic: Stretch head bolt question.  (Read 9196 times)

Reply #15February 07, 2008, 06:56:06 pm

Vincent Waldon

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Stretch head bolt question.
« Reply #15 on: February 07, 2008, 06:56:06 pm »
When in doubt with the vagarities of the Bentley I usually assume their instructions are to be taken literally, for better or worse.

Sometimes they say "use anti seize and tighten to blah" so I assume they have taken lubrication into the mix.

Sometimes they say "apply a light coat of oil".

In the case of the headbolts, for the MK2 at least, they say nothing... so I assume the torque value is for dry.

Of course, when you ASS U ME something...
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Reply #16February 08, 2008, 03:49:31 am

Quantum TD

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Stretch head bolt question.
« Reply #16 on: February 08, 2008, 03:49:31 am »
Quote from: "Vincent Waldon"
Of course, when you ASS U ME something...


Hmmm. Theres the rub. I wish those twats at Bentley were a bit more explicit, especially on something this critical. Crap, I thought Haynes sucked a wad...
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Reply #17February 08, 2008, 09:22:07 am

jimfoo

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Stretch head bolt question.
« Reply #17 on: February 08, 2008, 09:22:07 am »
My Haynes states all it's torque values are for dry threads. The funny thing is it doesn't have torque specs for the head bolts that I've ever found.
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Jim
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Reply #18February 08, 2008, 10:26:38 am

saurkraut

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Stretch head bolt question.
« Reply #18 on: February 08, 2008, 10:26:38 am »
Here's what I believe is the main reason VW went to strech bolts.  Multispindle screw insetion/torqueing machines.  Brand new, squeeky clean holes and screws.  Works great, lasts along time.  The only time a human touches these screws is if one falls out of the hopper.

And that may explain why the manuals are vague about the 'by hand' procedure.



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Reply #19February 08, 2008, 04:07:46 pm

Baselyne

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wet or dry
« Reply #19 on: February 08, 2008, 04:07:46 pm »
I guess it can't be so simple... What was everyone else doing? Wet intall or dry then?
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Reply #20February 08, 2008, 11:31:31 pm

Vanagoner

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Stretch head bolt question.
« Reply #20 on: February 08, 2008, 11:31:31 pm »
Saurkraut- you've solved it!  all we need to do is each of us get one of them multispindle factory tools and more stretch bolts!  We'd git-er-done in a jiffy!
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Sage
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Reply #21February 09, 2008, 12:48:53 am

Slave2School

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Stretch head bolt question.
« Reply #21 on: February 09, 2008, 12:48:53 am »
Don't forget the VW lube!
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Reply #22February 10, 2008, 05:24:51 pm

Baselyne

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Stretch head bolt question.
« Reply #22 on: February 10, 2008, 05:24:51 pm »
so yes lube or none? on my arp's or racewear when I make my mind up which ones im getting?
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Reply #23February 10, 2008, 11:14:11 pm

jimfoo

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Stretch head bolt question.
« Reply #23 on: February 10, 2008, 11:14:11 pm »
Lube on ARP, not sure what Raceware specs. ARP has specs for either their moly lube or 10w30, whichever you use.
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Jim
1966 Land-Rover 88" with 1.9 1Z which has been transformed to an M-TDI
TFO35 mechanically controlled VNT, IC , and 2.5" exhaust.
Driven daily
Reply #24February 11, 2008, 04:08:45 am

Baselyne

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Stretch head bolt question.
« Reply #24 on: February 11, 2008, 04:08:45 am »
does anyone know what ARP's 11mm bolts cost?

Can't you get them at multipul places in the states?
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Reply #25February 12, 2008, 12:33:29 am

Quantum TD

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Stretch head bolt question.
« Reply #25 on: February 12, 2008, 12:33:29 am »
Update. I just got a new set of head bolts (also FEBI) from another supplier. They came as a set (in a plastic bag) and are all coated in oil. What do I do now? Wash it off and go dry? Use the oil on there? Wash it off and use another type of oil?

F**king Bentley a#*holes.
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Reply #26February 12, 2008, 01:34:43 am

Baselyne

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sometimes I couldnt agree more!
« Reply #26 on: February 12, 2008, 01:34:43 am »
F**king Bentley a#*holes
2nd that!
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Reply #27February 12, 2008, 07:46:41 am

burn_your_money

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Stretch head bolt question.
« Reply #27 on: February 12, 2008, 07:46:41 am »
I use them as is. Whenever I get head bolts, they always have had that light oil you speak of
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Tyler
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