[xj] Torque recommendations?

Er… that’s a few years before
he was born… 8^)

Charlie
Lumps Admin.
Customized 83 XJ6 /350/700R4/

Jeb, remembering Strength of Materials class (great, dramatic lab
failures), the longer the bolt the more it will twist without breaking.
Remember 57 Chrysler Torsion-Bar suspensions? So, you get nervous on
longer ones, but don’t.

Alex

J&L Autoworks wrote:

From: “Charlie”

These specs came from a Chilton’s repair guide.
x 1/4"
Low carbon steel 6
ft.

lbs

I’ve sort of developed a general concensus in my shop from years of
torquing

stuff.

It can vary a lot in one bolt size with me depending on the size and
length

of the bolt or stud, what you’re fastening, fastening to, or grade…

Okay, I got one for the scientists here…

I torque bolts the same diameter, less the longer they are because they
seem

to tolerate less torque.

I say this based on being actually able to feel give in a longer bolt or
stud when I’m tightening it.

BTW, I’m taking this to the Pub as well so if y’all get sick of it, we
can

get back to XJs…although those freakin’ thermostat housing studs
sure

come to mind…

Cheers,

Jeb

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To remove yourself from this list, go to
http://www.jag-lovers.org/cgi-bin/majordomo.From: “Alex Cannara” cannara@attglobal.net
Subject: Re: [xj] Torque recommendations? was Stakedown kit

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Try the WoO racecar in Dad’s shop for the modern day
equivalent. Torsion Bars used to be about 36" long,
now for less weight trying 20" each in the same front
tube…changeable modulus by changing
thickness/material…— Charlie chache@thethinker.com wrote:

Remember 57 Chrysler Torsion-Bar suspensions? So,
you get nervous on
longer ones, but don’t.

=====
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Charlie, you mean we allow ‘kids’ on this list?! {:o]–
Alex
79xj6L SII
86xj6 SIII
61 Sprite MkII
Menlo Park, Calif.

Charlie wrote:

Er… that’s a few years before
he was born… 8^)

Charlie
Lumps Admin.
Customized 83 XJ6 /350/700R4/

From: “Alex Cannara” <@Cannara>
Subject: Re: [xj] Torque recommendations? was Stakedown kit

Jeb, remembering Strength of Materials class (great, dramatic lab
failures), the longer the bolt the more it will twist without breaking.
Remember 57 Chrysler Torsion-Bar suspensions? So, you get nervous on
longer ones, but don’t.

Alex

===================================================
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From: “Alex Cannara”

Remember 57 Chrysler Torsion-Bar suspensions? So, you get nervous on
longer ones, but don’t.

Er… that’s a few years before
he was born… 8^)

Nope…'55…and Chrysler used the torsion bars on their full sized
stuff for the duration…

What’s that other torsion bar car I’m familiar with???

Oh yeah…the E-Type!

Cheers,

JebFrom: “Charlie”

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What’s that other torsion bar car I’m familiar with???

Oh yeah…the E-Type!

What nobody here has mentioned is that ALL of our XJs really have a kind
of torsion-bar suspension. A coil spring is nothing but a torsion bar
made into a helix.

Since you are used to thinking about changing the height of a coil spring,
you may not think of it that way, but its deflection at any point along
the wire (bar) is torsional.

Just a little food for thought. Don’t want things to get dull…

Larry Lee
Auburn, AL, USAOn Sat, 23 Jun 2001, J&L Autoworks wrote:

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Now you’re reaching…8-)…

Larry Lee wrote:>

On Sat, 23 Jun 2001, J&L Autoworks wrote:

What’s that other torsion bar car I’m familiar with???

Oh yeah…the E-Type!

What nobody here has mentioned is that ALL of our XJs really have a kind
of torsion-bar suspension. A coil spring is nothing but a torsion bar
made into a helix.

===================================================
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Art’s right, of course, each coil is indeed in torsion – call it a
helically ecursive, torsion energy-storage system. :]–
Alex
79xj6L SII
86xj6 SIII
61 Sprite MkII
Menlo Park, Calif.

Art Blackwell wrote:

Now you’re reaching…8-)…

Larry Lee wrote:

On Sat, 23 Jun 2001, J&L Autoworks wrote:

What’s that other torsion bar car I’m familiar with???

Oh yeah…the E-Type!

What nobody here has mentioned is that ALL of our XJs really have a kind
of torsion-bar suspension. A coil spring is nothing but a torsion bar
made into a helix.

===================================================
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Now you’re reaching…8-)…

Not at all. That’s exactly how a coil spring works!

Larry LeeOn Sat, 23 Jun 2001, Art Blackwell wrote:

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