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Thread: EL FL FLH Head Bolt Wrench

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  1. #1
    Join Date
    Nov 2010
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    182

    Default EL FL FLH Head Bolt Wrench

    This tool may have been previously discussed. I've used this Snap-On wrench for over 25 years. I'ts made for auto door hinges, but works great on Knucklehead, Panhead and Shovelhead head bolts. It gets into the tight spots with ease and gives you great leverage. It does not matter if the motor is installed on the frame or sitting on your bench. Snap-On # 9/16 S 9619.
    CraigCIMG0622.JPGCIMG0623.JPGCIMG0624.jpgCIMG0626.JPG

  2. #2
    Join Date
    Dec 2014
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    139

    Default

    How do you measure the torque on it?

  3. #3
    Join Date
    Jun 2001
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    Central Illinois, USA
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    I hadn't seen it, Craig!

    But I don't shop much.
    Its quite desireable.

    And Fat & Cranky!

    Just use a big Allen socket for an adapter to the opposite box-end, at ninety degrees of course.

    Only torsion torque wrenches for me.
    (Except that Sunnen 'trick-elbow' contraption lost on the wall somewhere.)

    ....Cotten
    PS: Note how my Buffalo torsion wrench's drive directly fits a 9/16" open-end to offer a 5/8" end for HD BT cylinder base nuts.
    Dual up-and-down drives allow twice as many approaches to access when working in the chassis.
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    Last edited by T. Cotten; 04-07-2018 at 05:19 PM.
    AMCA #776
    Dumpster Diver's Motto: Seek,... and Ye Shall Find!

  4. #4
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    Dec 2014
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    I normally use a torque adapter. And like you, I only use beam torque wrenches, but to each his own...

  5. #5
    Join Date
    Nov 2010
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    182

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    I guess I'm old fashioned. I have never torqued a head bolt in my 64 years. And I've never had a head gasket blow. As long as this wrench is; I tighten the head bolt 'til it does not want to go any further without a lot of extra effort. And, of course, you always retighten after the motor has run a bit. I've used this on Knuckles, Pans and Shovels. No blown head gaskets.
    Craig

  6. #6
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    Dec 2014
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    Default

    Quote Originally Posted by 41craig View Post
    I guess I'm old fashioned. I have never torqued a head bolt in my 64 years. And I've never had a head gasket blow. As long as this wrench is; I tighten the head bolt 'til it does not want to go any further without a lot of extra effort. And, of course, you always retighten after the motor has run a bit. I've used this on Knuckles, Pans and Shovels. No blown head gaskets.
    Craig
    Well, there's a lot of ways to skin a cat, I guess. But I'm a fan of using a torque, especially when a value is supplied in the manual. Seen stripped threads in iron and pulled inserts on the later stuff.

    A neat tool, though!

  7. #7
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    Central Illinois, USA
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    Its all about technique, Folks!

    Grunting by hand on the same short wrench in different positions, or beating on it, is folly.
    Its about control, maybe not Standards&Measurements accurate, but at least reasonably even torque among the fasteners, as that's the crux of the biscuit.

    Aside from all of the other endless observation and prep necessary, somehow there are always more worms in the can than there were a quarter of a century ago, and any shortcut will come back to bite you.

    A better wrench is always welcome.

    ...Cotten
    Last edited by T. Cotten; 04-07-2018 at 05:38 PM.
    AMCA #776
    Dumpster Diver's Motto: Seek,... and Ye Shall Find!

  8. #8
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    Nov 2010
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    I'm sure that the reason that I never got into torque wrench use on these these old bikes is, that the manual for the bikes that my friends and I had did not have any torque numbers for anything. I do use the inch pound torque wrench for the oil pumps. I've had too many guys come in with lunched shovelhead motors (with the the aluminum oil pumps) that they tightened the nuts too much. Once the motor heated up and the metal expanded, the pump gears lock up and the weak point (the drive shaft key) shears and no oil pressure. Most of these guys had choppers with no oil pressure light.
    Craig

  9. #9
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    Jun 2001
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    Forgive me if I second-guess you, Craig,...

    But I really suspect the reason you don't swear by torque wrenches is because you never stress-plated and bore'n'honed cylinders for a living.

    That's the most dramatic fastener-stress example I can think of, but I daily encounter manifolds that have suffered at a fraction of the torque.
    It's similar to the pumps. Except, instead of leaking oil, they suck air.. and the motor *suffers*.

    Metal moves.

    ....Cotten
    PS: I swear by torsion wrenches, but swear at 'clickers'.
    It upsets me the Sunnen makes that noise.
    Last edited by T. Cotten; 04-07-2018 at 06:49 PM.
    AMCA #776
    Dumpster Diver's Motto: Seek,... and Ye Shall Find!

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